Statistics and Probability

When the chi-square test statistic is greater than the chi-square critical value when comparing two ...

When the chi-square test statistic is greater than the chi-square critical value when comparing two ...

When the chi-square test statistic is greater than the chi-square critical value when comparing two or more population proportions, we fail to reject the null hypothesis.
 
  Indicate whether the statement is true or false

[color

pweller2017   33   2 Replies

pweller2017

When the conclusions based upon the unaggregated data can be completely reversed if we look at the ...

When the conclusions based upon the unaggregated data can be completely reversed if we look at the ...

When the conclusions based upon the unaggregated data can be completely reversed if we look at the aggregated crosstabulation, the occurrence is known as
 a. Reverse correlation.
  b. Negative correlation.
 c. Simpson's paradox.

lingo   42   1 Reply

Kojico

When the data have the properties of interval data and the multiplication or division of two values ...

When the data have the properties of interval data and the multiplication or division of two values ...

When the data have the properties of interval data and the multiplication or division of two values is meaningful, the variable has which scale of measurement?
 a. nominal
  b. ordinal
  c. interval
  d. ratio

Storm   32   1 Reply

wping

When the data have the properties of ordinal data and the interval between observations is expressed ...

When the data have the properties of ordinal data and the interval between observations is expressed ...

When the data have the properties of ordinal data and the interval between observations is expressed in terms of a fixed unit of measure, the variable has which scale of measurement?
 a. nominal
  b. ordinal
  c. interval
  d. ra

Mserna19   38   1 Reply

ccopp

When the effect of a level for one factor depends on which level of the other factor is present, ...

When the effect of a level for one factor depends on which level of the other factor is present, ...

When the effect of a level for one factor depends on which level of the other factor is present, use:
 a. one-way analysis of variance.
  b. randomized block design.
  c. two-way analysis of variance.
  d. simple regression model

kate lynn   41   1 Reply

kwengert

When the effects of the explanatory variable upon the response ...

When the effects of the explanatory variable upon the response ...

[html]Provide an appropriate response.

When the effects of the explanatory variable upon the response variable cannot be determined, then

▸ a lurking variable is present.

▸ there is sampling error.

Crystalboo92   30   1 Reply

austire

When the hypotheses H0: 100 and Ha: < 100 are being tested at a level of significance of , the ...

When the hypotheses H0: 100 and Ha: < 100 are being tested at a level of significance of , the ...

When the hypotheses H0:   100 and Ha:  < 100 are being tested at a level of significance of , the null hypothesis will be rejected if the test statistic z is _____.
 a. > z
  b. > z
  c. < z
  d. < 100

Theleeman   41   1 Reply

kimmaz

When the index point, i, is not a whole number, round i up to the next highest whole number to find ...

When the index point, i, is not a whole number, round i up to the next highest whole number to find ...

When the index point, i, is not a whole number, round i up to the next highest whole number to find the position of the median in a sorted data set.
 
  Indicate whether the statement is true or false

Q. 2[/color

thetick24   114   3 Replies

vieba

When the measure of central tendency is the median, which of the following is an appropriate measure ...

When the measure of central tendency is the median, which of the following is an appropriate measure ...

When the measure of central tendency is the median, which of the following is an appropriate measure of variability?
 
  a. Variance
  b. Standard deviation
  c. Range
  d. All the above

browniels   72   1 Reply

alarose

When the method for selecting subjects produces a sample that does not represent the population of ...

When the method for selecting subjects produces a sample that does not represent the population of ...

When the method for selecting subjects produces a sample that does not represent the population of interest, the problem is called
 a. lack of accuracy.
  b. selection bias.
  c. nonresponse bias.
  d. response bias.

[c

suncs   19   3 Replies

Babel99

When the necessary conditions are met, a two-tail test is being conducted at = .05 to test . The ...

When the necessary conditions are met, a two-tail test is being conducted at = .05 to test . The ...

When the necessary conditions are met, a two-tail test is being conducted at  = .05 to test . The two sample variances are and , and the sample sizes are n1 = 25 and n2 = 25 . The calculated value of the test statistic will be F = 2.
  Indicate

little toast   41   1 Reply

Kbanger04

When the necessary conditions are met, a two-tail test is being conducted to test the difference ...

When the necessary conditions are met, a two-tail test is being conducted to test the difference ...

When the necessary conditions are met, a two-tail test is being conducted to test the difference between two population means, but your statistical software provides only a one-tail area of 0.036 as part of its output. The p-value for this two-tail t

beaches411   22   2 Replies

beaches411

When the necessary conditions are met, a two-tail test is being conducted to test the difference ...

When the necessary conditions are met, a two-tail test is being conducted to test the difference ...

When the necessary conditions are met, a two-tail test is being conducted to test the difference between two population proportions. The two sample proportions are p1 = 0.25 and p2 = 0.20, and the standard error of the sampling distribution of p1 - p

bribery   18   1 Reply

gool34

When the null hypothesis in the chi square test for independence is true, there should be

When the null hypothesis in the chi square test for independence is true, there should be

When the null hypothesis in the chi square test for independence is true, there should be
 
  a. large difference between the observed frequencies and the expected frequencies
  b. little difference between the observed frequencies an

divijnanda   44   1 Reply

Alonzoperez1118

When the null hypothesis is not rejected, it is

When the null hypothesis is not rejected, it is

When the null hypothesis is not rejected, it is
 a. possible a Type I error has occurred.
  b. possible a Type II error has occurred.
  c. not possible a Type II error has occurred.
  d. possible either a Type I or a Type II erro

ejohnson3310   38   1 Reply

umass508

When the null hypothesis is true, the sampling distribution of the F statistic .

When the null hypothesis is true, the sampling distribution of the F statistic .

When the null hypothesis is true, the sampling distribution of the F statistic .
 
  a. ranges in value from 1.00 to positive infinity
  b. is symmetrical with a mean of zero
  c. is positively skewed with a minimum value of 1.00

thisisstupidash   27   1 Reply

DCAV1

When the number of degrees of freedom is small, the shape of the chi-square distribution is

When the number of degrees of freedom is small, the shape of the chi-square distribution is

When the number of degrees of freedom is small, the shape of the chi-square distribution is
 a. symmetrical.
  b. uniform.
  c. positively skewed.
  d. negatively skewed.
  e. normal.

nameless23   34   2 Replies

nameless23

When the observed take on different attributes simply as a result of being observed, this is called ...

When the observed take on different attributes simply as a result of being observed, this is called ...

When the observed take on different attributes simply as a result of being observed, this is called
 
  a. observational methods.
  b. demand characteristics.
  c. performance anxiety.
  d. presentation of self.
  e. bo

Dmal5776   64   2 Replies

Dmal5776

When the only sources of variation in a production process are caused by chance, and random ...

When the only sources of variation in a production process are caused by chance, and random ...

When the only sources of variation in a production process are caused by chance, and random variation remains within acceptable limits, the process is said to be:
 a. stable.
  b. in statistical control.
  c. out of control.
  d.

sdaggy1   40   1 Reply

preetpatel94

When the p-value is less than or equal to the designated level of 0.05, the result is called a

When the p-value is less than or equal to the designated level of 0.05, the result is called a

When the p-value is less than or equal to the designated level of 0.05, the result is called a
 a. statistically significant result.
  b. test statistic.
  c. significance level.
  d. none of the above.

Q.

吳家良   37   1 Reply

samsung galaxy

When the p-value is used for hypothesis testing, the null hypothesis is rejected if _____.

When the p-value is used for hypothesis testing, the null hypothesis is rejected if _____.

When the p-value is used for hypothesis testing, the null hypothesis is rejected if _____.
 a. p-value  
  b.  < p-value
  c. p-value >
  d. p-value = z

jldobro   60   1 Reply

Fredio

When the parameters defining the queuing system vary over time, the system is a.open. b.blocked. ...

When the parameters defining the queuing system vary over time, the system is a.open. b.blocked. ...

When the parameters defining the queuing system vary over time, the system is
  a.open.
  b.blocked.
  c.FCFS.
  d.nonstationary.

RENCEE72   99   1 Reply

Bubbbles

When the partial relationship is essentially the same as the original relationship, the term ...

When the partial relationship is essentially the same as the original relationship, the term ...

When the partial relationship is essentially the same as the original relationship, the term specification is applied to the result.
 
  Indicate whether the statement is true or false

kjustice4   36   1 Reply

Dasaherals

When the points in a scatter plot cluster closely around a straight line, the correlation can be ...

When the points in a scatter plot cluster closely around a straight line, the correlation can be ...

When the points in a scatter plot cluster closely around a straight line, the correlation can be said to be
 
  a. weak.
  b. strong.
  c. positive.
  d. negative.

Porkles   69   1 Reply

sns3guppy

When the population has a normal distribution, the sampling distribution of x is normally ...

When the population has a normal distribution, the sampling distribution of x is normally ...

When the population has a normal distribution, the sampling distribution of x is normally distributed
 a. for any sample size.
 b. for any sample size of 30 or more.
 c. for any sample size of 50 or more.
 d. for any sample from

nameless23   74   1 Reply

ruff

When the population has a normal distribution, the sampling distribution of xis normally distributed ...

When the population has a normal distribution, the sampling distribution of xis normally distributed ...

When the population has a normal distribution, the sampling distribution of xis normally distributed _____.
 a. for any sample size
  b. for any sample size of 30 or more
  c. for any sample size of 50 or more
  d. for any sample

tmontes00   64   1 Reply

Fredio

When the population variances are unknown and unequal, we estimate each population variance with its ...

When the population variances are unknown and unequal, we estimate each population variance with its ...

When the population variances are unknown and unequal, we estimate each population variance with its ____________________ variance.
 Fill in the blank(s) with correct word

Q. 2

We compute the three-

Nesh   45   3 Replies

djydjyxx

When the purpose of sampling is to detect when a process becomes too variable, the control chart of ...

When the purpose of sampling is to detect when a process becomes too variable, the control chart of ...

When the purpose of sampling is to detect when a process becomes too variable, the control chart of choice will be an S chart.
  Indicate whether the statement is true or false

Q. 2

In a two-factor

Sahara   33   3 Replies

axm2277

When the rejection region is in the lower tail of the sampling distribution, the p-value is the area ...

When the rejection region is in the lower tail of the sampling distribution, the p-value is the area ...

When the rejection region is in the lower tail of the sampling distribution, the p-value is the area under the curve _____.
 a. less than or equal to the critical value
  b. less than or equal to the test statistic
  c. greater than o

nameless23   62   1 Reply

alarose

When the relationship between the number of firefighters and the amount of fire damage disappears ...

When the relationship between the number of firefighters and the amount of fire damage disappears ...

When the relationship between the number of firefighters and the amount of fire damage disappears once we control for the size of the fire, we say that size of fire is a ___________ variable.
 
  a. moderator
  b. spurious
  c. c

tlcp8   31   2 Replies

tlcp8

When the requirements of Pearson's r cannot be met, we might still be able to employ

When the requirements of Pearson's r cannot be met, we might still be able to employ

When the requirements of Pearson's r cannot be met, we might still be able to employ
 
  a. a t ratio.
  b. a parametric measure of correlation.
  c. a nonparametric measure of correlation.
  d. None of the above.

Nightmare7171   58   2 Replies

Nightmare7171

When the results of a hypothesis test are determined to be statistically significant, then we ...

When the results of a hypothesis test are determined to be statistically significant, then we ...

When the results of a hypothesis test are determined to be statistically significant, then we _______________ the null hypothesis.
 
  A) reject B) fail to reject C) polarize D) compartmentalize

Q. 2
[

BUDDA2222   31   1 Reply

mcgee2

When the row marginals are extremely unequal,

When the row marginals are extremely unequal,

When the row marginals are extremely unequal,
 
  a. lambda is the preferred measure of association
  b. lambda may exceed 1.00
  c. any chi square based measure of association will be less than zero
  d. lambda may be zero

chelseypowers   31   2 Replies

chelseypowers

When the sample mean differs from the population mean simply be chance, the error that results is ...

When the sample mean differs from the population mean simply be chance, the error that results is ...

When the sample mean differs from the population mean simply be chance, the error that results is known as:
 a. sampling error.
  b. response error.
  c. nonresponse error.
  d. bias.
  e. nonsystematic error.

love2211   19   1 Reply

Fredio

When the sample sizes are equal, the pooled variance of the two samples is the ____________________ ...

When the sample sizes are equal, the pooled variance of the two samples is the ____________________ ...

When the sample sizes are equal, the pooled variance of the two samples is the ____________________ of the two sample variances.
 Fill in the blank(s) with correct word

Q. 2

The time series componen

puntersrppl2   48   3 Replies

island idcjusne

When the scores in a distribution are negatively skewed, the mean will have a value .

When the scores in a distribution are negatively skewed, the mean will have a value .

When the scores in a distribution are negatively skewed, the mean will have a value .
 
  a. higher than the median
  b. equal to the median
  c. either higher or lower than the median, depending on the value of the mode
  d

cmsx27   37   1 Reply

ruff

When the standard deviation is expressed as a percentage of the mean, the result is the:

When the standard deviation is expressed as a percentage of the mean, the result is the:

When the standard deviation is expressed as a percentage of the mean, the result is the:
 a. coefficient of correlation.
  b. coefficient of determination.
  c. coefficient of variation.
  d. coefficient of dispersion.

tmontes00   42   1 Reply

tdubb1992

When the variable religious affiliation is classified as Protestant, Catholic, and Jewish, this ...

When the variable religious affiliation is classified as Protestant, Catholic, and Jewish, this ...

When the variable religious affiliation is classified as Protestant, Catholic, and Jewish, this variable has the important quality of being
 
  a. mutually exclusive.
  b. exhaustive.
  c. interchangeable.
  d. mutually excl

hayfay   46   1 Reply

tiinabrown49

When there are just two treatments, the randomized block design is equivalent to the nondirectional ...

When there are just two treatments, the randomized block design is equivalent to the nondirectional ...

When there are just two treatments, the randomized block design is equivalent to the nondirectional _____________________________ _ t-test.
 Fill in the blank(s) with correct word

strobro   31   1 Reply

Bflint101

When there are only two treatments, the one-way ANOVA is equivalent to the nondirectional ...

When there are only two treatments, the one-way ANOVA is equivalent to the nondirectional ...

When there are only two treatments, the one-way ANOVA is equivalent to the nondirectional _____________________________ _ t-test.
 Fill in the blank(s) with correct word

Brutusandmoose   22   1 Reply

suarezs1