Mathematics

What assumptions are made in the mean chart about the distribution of individual measurements for ...

What assumptions are made in the mean chart about the distribution of individual measurements for ...

What assumptions are made in the mean chart about the distribution of individual measurements for the process that is being monitored?

cmsx27   20   1 Reply

umass508

An individual's income depends somewhat on their number of years of education. Accordingly, we ...

An individual's income depends somewhat on their number of years of education. Accordingly, we ...

An individual's income depends somewhat on their number of years of education. Accordingly, we identify income as the ____________________ variable, and years of education as the ____________________ variable.
 Fill in the blank(s) with correct

koklok123   20   2 Replies

koklok123

What is an index number?

What is an index number?

What is an index number?

Mserna19   20   1 Reply

derrickpate22

If you are not using a computer, it is desirable to select an even number of periods for a centered ...

If you are not using a computer, it is desirable to select an even number of periods for a centered ...

If you are not using a computer, it is desirable to select an even number of periods for a centered moving average unless there is some compelling reason to do otherwise.
  Indicate whether the statement is true or false

nameless23   20   1 Reply

Bflint101

Regardless of the value of x, the standard deviation of the distribution of y values about the ...

Regardless of the value of x, the standard deviation of the distribution of y values about the ...

Regardless of the value of x, the standard deviation of the distribution of y values about the regression line is the same. This assumption of equal standard deviations about the regression line is called:
 a. random error.
  b. heterosced

clcharleston   20   1 Reply

hahauebf

The ____________________ test evaluates the randomness of a series of observations by analyzing the ...

The ____________________ test evaluates the randomness of a series of observations by analyzing the ...

The ____________________ test evaluates the randomness of a series of observations by analyzing the number of ____________________ it contains.
 Fill in the blank(s) with correct word

ejohnson3310   20   1 Reply

clew0012

Using the standard normal table, the total area between z = -1.82 and z = -1.38 is:

Using the standard normal table, the total area between z = -1.82 and z = -1.38 is:

Using the standard normal table, the total area between z = -1.82 and z = -1.38 is:
 a. 0.0494
  b. 0.4656
  c. 0.1554
  d. 0.4162
  e. 0.1005

rgasio   20   1 Reply

m7md9078

Find the probability that no one says they favor the plan.

Find the probability that no one says they favor the plan.

Find the probability that no one says they favor the plan.

ejohnson3310   20   1 Reply

vbass

What is an alternative hypothesis?

What is an alternative hypothesis?

What is an alternative hypothesis?

Nalu   20   1 Reply

preetpatel94

What is a null hypothesis?

What is a null hypothesis?

What is a null hypothesis?

tmontes00   20   1 Reply

Bflint101

The demand for Quarter 1,2,3,and 4 is the following: Q1:20,000 Q2:100,000 Q3:60,000 Q4:153,000 ...

The demand for Quarter 1,2,3,and 4 is the following: Q1:20,000 Q2:100,000 Q3:60,000 Q4:153,000 ...

The demand for Quarter 1,2,3,and 4 is the following: Q1:20,000 Q2:100,000 Q3:60,000 Q4:153,000 Currently the firm has 80 workers who produce 800 units per quarter each. The cost per unit is 35.00 . The cost of holding 1 unit per quarter is 1.50 . The

KAtlold   20   1 Reply

Yatesm

What is the difference between bias and MAD?

What is the difference between bias and MAD?

What is the difference between bias and MAD?

Haydena   20   1 Reply

Bubbbles

When generating the forecast for year 3 season 2 using an exponential smoothing model with ...

When generating the forecast for year 3 season 2 using an exponential smoothing model with ...

When generating the forecast for year 3 season 2 using an exponential smoothing model with seasonality, which seasonality index is subject to updating?

thisisstupidash   20   1 Reply

derrickpate22

What is a confidence coefficient?

What is a confidence coefficient?

What is a confidence coefficient?

stroman54   20   1 Reply

Kojico

How many different combinations are possible if 8 substitute workers are available to fill 4 ...

How many different combinations are possible if 8 substitute workers are available to fill 4 ...

How many different combinations are possible if 8 substitute workers are available to fill 4 openings created by employees planning to take vacation leave next week?

clcharleston   20   1 Reply

ruff

Questionnaires should be pretested by personally administering them to a small number of persons who ...

Questionnaires should be pretested by personally administering them to a small number of persons who ...

Questionnaires should be pretested by personally administering them to a small number of persons who are similar to the eventual sample members.
  Indicate whether the statement is true or false

jldobro   20   2 Replies

jldobro

Data set A: 14, 11, 15, 12, and 13. Data set B: 13, 8, 20, 6, and 18. Which data set has the larger ...

Data set A: 14, 11, 15, 12, and 13. Data set B: 13, 8, 20, 6, and 18. Which data set has the larger ...

Data set A: 14, 11, 15, 12, and 13. Data set B: 13, 8, 20, 6, and 18. Which data set has the larger standard deviation, A or B?

arichman7730   20   1 Reply

sweetpeajezzy

The difference between the mean of a data set and the individual values of that set is known as the: ...

The difference between the mean of a data set and the individual values of that set is known as the: ...

The difference between the mean of a data set and the individual values of that set is known as the:
 a. variance
  b. standard deviation
  c. residual
  d. mean absolute deviation
  e. quartile

Haydena   20   1 Reply

vbass

The distinguishing feature of discrete variables is that ____________________ exist between the ...

The distinguishing feature of discrete variables is that ____________________ exist between the ...

The distinguishing feature of discrete variables is that ____________________ exist between the possible values.
 Fill in the blank(s) with correct word

Skoochy   20   1 Reply

alarose

The MST for the network below is: a.(1,2) (2,3) (3,4) (4,5). b.(1,2) (2,3) (3,4) (1,5). ...

The MST for the network below is: a.(1,2) (2,3) (3,4) (4,5). b.(1,2) (2,3) (3,4) (1,5). ...

The MST for the network below is:
 
 

  a.(1,2) (2,3) (3,4) (4,5).
  b.(1,2) (2,3) (3,4) (1,5).
  c.(1,2) (2,3) (1,4) (1,5).
  d.(1,3

Nalu   20   2 Replies

Nalu

The alternative hypothesis for the Wilcoxon signed-ranks test is H1: .

The alternative hypothesis for the Wilcoxon signed-ranks test is H1: .

The alternative hypothesis for the Wilcoxon signed-ranks test is H1: .
 
  a. The population distributions of the related A1 and A2 conditions are identical
  b. The population distributions of the related A1 and A2 conditions are not

KAtlold   20   1 Reply

ccopp

The computations of the Mann-Whitney U test are performed on scores representing at least level of ...

The computations of the Mann-Whitney U test are performed on scores representing at least level of ...

The computations of the Mann-Whitney U test are performed on scores representing at least level of measurement.
 
  a. nominal
  b. ordinal
  c. interval
  d. ratio

koklok123   20   1 Reply

Kojico

Data set: 2 3 7 4 2 5 10 9 11 3 3 10 6 1 10; data point 7 (Multiple Choice Question)

Data set: 2 3 7 4 2 5 10 9 11 3 3 10 6 1 10; data point 7 (Multiple Choice Question)

Data set: 2 3 7 4 2 5 10 9 11 3 3 10 6 1 10;
  data point 7
 
  A) 35 B) 70 C) 60 D) 52

stroman54   20   1 Reply

eehughess

Data set: 54 40 35 65 66 63 36; data point 54 (Multiple Choice Question)

Data set: 54 40 35 65 66 63 36; data point 54 (Multiple Choice Question)

Data set: 54 40 35 65 66 63 36;
 
  data point 54
  A) 20 B) 50 C) 43 D) 57

koklok123   20   1 Reply

Bflint101

If r(20) = +.21, p > .05 for variables X and Y, then the best prediction of a Y score from an X ...

If r(20) = +.21, p > .05 for variables X and Y, then the best prediction of a Y score from an X ...

If r(20) = +.21, p > .05 for variables X and Y, then the best prediction of a Y score from an X score is .
 
  a. the value of X
  b. the value of X - Y
  c. the value of Y
  d. 1.00

Acostak1   20   1 Reply

suarezs1

In a hypothesis test, which of the following will cause a decrease in , the probability of making a ...

In a hypothesis test, which of the following will cause a decrease in , the probability of making a ...

In a hypothesis test, which of the following will cause a decrease in , the probability of making a type II error?
 
  A: Increasing  while keeping the sample size n, fixed
  B: Increasing the sample size n, while keeping  fixed

Brutusandmoose   20   1 Reply

gool34

In linear regression the difference between a value of Y and Y ' is known as the .

In linear regression the difference between a value of Y and Y ' is known as the .

In linear regression the difference between a value of Y and Y ' is known as the .
 
  a. error of measurement
  b. standard error of estimate
  c. statistical residue
  d. residual

palacir999   20   1 Reply

Fvhdan

The model for representing a subject's score in a one-factor within-subjects analysis of variance ...

The model for representing a subject's score in a one-factor within-subjects analysis of variance ...

The model for representing a subject's score in a one-factor within-subjects analysis of variance can be expressed as total variation in a score equals variation due to factor A variation to individual differences variation due to the interaction

everlyn85   20   1 Reply

lsellers6

If the results for a main effect in an analysis of variance for a 2 3 between-subjects design were ...

If the results for a main effect in an analysis of variance for a 2 3 between-subjects design were ...

If the results for a main effect in an analysis of variance for a 2  3 between-subjects design were reported as F(1, 30) = 5.69, p < .05, then you know that there were different treatment conditions and a total of subjects in the experiment.
 

jprust87   20   1 Reply

derrickpate22

A 2 2 between-subjects factorial design with ten scores per cell requires participants.

A 2 2 between-subjects factorial design with ten scores per cell requires participants.

A 2  2 between-subjects factorial design with ten scores per cell requires participants.
 
  a. 10
  b. 20
  c. 40
  d. 80

littlej_dvine   20   1 Reply

sweetpeajezzy

What is the next number in the following series: 2, 6, 7, 11, ?

What is the next number in the following series: 2, 6, 7, 11, ?

What is the next number in the following series: 2, 6, 7, 11, ?

steveberrings   20   1 Reply

tkane127

The (s,S) policy states that when inventory at time t-1 is it-1 a.if it-1 < st then St is ...

The (s,S) policy states that when inventory at time t-1 is it-1 a.if it-1 < st then St is ...

The (s,S) policy states that when inventory at time t-1 is it-1
  a.if it-1 < st then St is produced.
  b.if it-1 > st then St  it-1 is produced.
 

rgasio   21   1 Reply

umass508

The matrix representation for a.. b.. c.. d..

The matrix representation for a.. b.. c.. d..

The matrix representation for
 
 

  a.

love2211   21   1 Reply

al

Which is NOT an EOQ policy?

Which is NOT an EOQ policy?

Which is NOT an EOQ policy?
  a.(s,S)
  b.(R,S)
  c.(r,q)
  d.(r,R)

Mserna19   21   1 Reply

clew0012

Which of the following indexes is not stated as a percentage of some base-period value?

Which of the following indexes is not stated as a percentage of some base-period value?

Which of the following indexes is not stated as a percentage of some base-period value?
 a. Consumer Price Index
 b. Producer Price Index
 c. Dow Jones Industrial Average
  d. Index of Industrial Production

stroman54   21   1 Reply

gool34

Whenever we remove the price increase effect from a time series, we say we are

Whenever we remove the price increase effect from a time series, we say we are

Whenever we remove the price increase effect from a time series, we say we are
 a. weighting the series.
 b. price fixing the series.
 c. deflating the series.
 d. disaggregating the series.

fundai!   21   1 Reply

tdubb1992

The mean of the t distribution is

The mean of the t distribution is

The mean of the t distribution is
 a. 0.
 b. .5.
 c. 1.
 d. problem specific.

sdaggy1   21   1 Reply

Yatesm

If P(A) = 0.4, P(B :

If P(A) = 0.4, P(B :

If P(A) = 0.4, P(B  A) = 0.35, P(A  B) = 0.69, then P(B) =
 a. 0.14.
  b. 0.43.
  c. 0.75.
  d. 0.59.

Storm   21   1 Reply

kmoralesss

In a regression analysis, if r2 = 1, then _____.

In a regression analysis, if r2 = 1, then _____.

In a regression analysis, if r2 = 1, then _____.
 a. SSE = SST
  b. SSE = 1
  c. SSR = SSE
  d. SSR = SST

aggotfay   21   1 Reply

ccopp

A probability sampling method in which we randomly select one of the first k elements and then ...

A probability sampling method in which we randomly select one of the first k elements and then ...

A probability sampling method in which we randomly select one of the first k elements and then select every kth element thereafter is _____.
 a. stratified random sampling
  b. cluster sampling
  c. systematic sampling
  d. conve

CTaustin   21   1 Reply

Gavaacon