Statistics and Probability

In each situation, indicate whether the value given in bold print is a statistic or a parameter. Of ...

In each situation, indicate whether the value given in bold print is a statistic or a parameter. Of ...

In each situation, indicate whether the value given in bold print is a statistic or a parameter. Of 10 students sampled from a class of 200, 8 (80) said they would like the school library to have longer hours.
 a. Statistic
  b. Parameter[

englishkarter   52   2 Replies

englishkarter

As the number of men with lung cancer declines, the American Cancer Society estimates that 73,020 ...

As the number of men with lung cancer declines, the American Cancer Society estimates that 73,020 ...

As the number of men with lung cancer declines, the American Cancer Society estimates that 73,020 women will die in the United States of lung cancer this year, more than those who will die from breast, ovarian and uterine cancers combined. While no n

dpiotti   52   1 Reply

HArdyx

Which measure of central tendency is considered the point of balance in a distribution?

Which measure of central tendency is considered the point of balance in a distribution?

Which measure of central tendency is considered the point of balance in a distribution?
 
  a. mode
  b. median
  c. mean

tlcp8   52   2 Replies

tlcp8

A research proposal describes what you intend to accomplish and how.

A research proposal describes what you intend to accomplish and how.

A research proposal describes what you intend to accomplish and how.
 
  a. True
 b. False
  Indicate whether the statement is true or false

ahmedkamal   52   1 Reply

Dasaherals

A cross-sectional study is a specific type of longitudinal research.

A cross-sectional study is a specific type of longitudinal research.

A cross-sectional study is a specific type of longitudinal research.
 
  a. True
 b. False
  Indicate whether the statement is true or false

bernaljr20031   52   1 Reply

rachel.rivera@y

Changing definitions almost inevitably results in different descriptive conclusions.

Changing definitions almost inevitably results in different descriptive conclusions.

Changing definitions almost inevitably results in different descriptive conclusions.
 
  a. True
 b. False
  Indicate whether the statement is true or false

snowfairy2611   52   1 Reply

julieh2180

Definitions are more problematic for descriptive research than for explanatory research.

Definitions are more problematic for descriptive research than for explanatory research.

Definitions are more problematic for descriptive research than for explanatory research.
 
  a. True
 b. False
  Indicate whether the statement is true or false

ziizii   52   1 Reply

elementalsulfur

Numbers assigned to ranks on an ordinal scale can legitimately be added, multiplied, subtracted, and ...

Numbers assigned to ranks on an ordinal scale can legitimately be added, multiplied, subtracted, and ...

Numbers assigned to ranks on an ordinal scale can legitimately be added, multiplied, subtracted, and divided.
 
  a. True
 b. False
  Indicate whether the statement is true or false

zojbhiasbdf   52   2 Replies

zojbhiasbdf

The purpose of multivariate analysis in index construction is to discover the simultaneous ...

The purpose of multivariate analysis in index construction is to discover the simultaneous ...

The purpose of multivariate analysis in index construction is to discover the simultaneous interaction of the items to determine whether they are all appropriate for inclusion in the same index.
 
  a. True
 b. False
  Indicate w

Marcoism7   52   1 Reply

Komall

You ask a sample of 27 students in a particular dorm on campus about their religious beliefs and use ...

You ask a sample of 27 students in a particular dorm on campus about their religious beliefs and use ...

You ask a sample of 27 students in a particular dorm on campus about their religious beliefs and use this information to make generalizations about all students in the dorm. In this research situation
 
  a. The 27 students questioned are

Nurselady   52   1 Reply

Alonzoperez1118

Histograms and line charts or frequency polygons are used with data measured at the

Histograms and line charts or frequency polygons are used with data measured at the

Histograms and line charts or frequency polygons are used with data measured at the
 
  a. nominal level
  b. ordinal level
  c. interval-ratio level
  d. any level

chelseypowers   52   1 Reply

fahadr

The best survey design involves fitting as many questions as possible on a single page in order to ...

The best survey design involves fitting as many questions as possible on a single page in order to ...

The best survey design involves fitting as many questions as possible on a single page in order to save time and cost.
 
  a. True
 b. False
  Indicate whether the statement is true or false

kesgirl   52   1 Reply

agollub

An advantage(s) of field research is(are) that:

An advantage(s) of field research is(are) that:

An advantage(s) of field research is(are) that:
 
  a. it enables the researcher to draw statistical conclusions about the population.
 b. the researcher can control the variables under study.
 c. social processes can be studied

tpaige12   52   1 Reply

laque

Sara wanted to learn about battered women. She entered the world of a battered women's shelter and ...

Sara wanted to learn about battered women. She entered the world of a battered women's shelter and ...

Sara wanted to learn about battered women. She entered the world of a battered women's shelter and lived with the women in order to fully learn about the views of these women. She wanted to write a detailed and accurate description about the lives th

Stringfield73   52   1 Reply

ZoeWarren98

To obtain the area below a positive Z score or above a negative Z score you would

To obtain the area below a positive Z score or above a negative Z score you would

To obtain the area below a positive Z score or above a negative Z score you would
 
  a. subtract the value of the Z score from the mean
  b. subtract the area in the Area Beyond Z column of the Z score table from 50
  c. add the

hayfay   52   1 Reply

grim020

If a case is randomly selected from a normal distribution, the score of the case will most likely be ...

If a case is randomly selected from a normal distribution, the score of the case will most likely be ...

If a case is randomly selected from a normal distribution, the score of the case will most likely be
 
  a. equal to the mean in value
  b. close to the mean in value
  c. at least 1 standard deviation above the mean
  d. at

geruff   52   2 Replies

geruff

The denominator in a per capita rate is:

The denominator in a per capita rate is:

The denominator in a per capita rate is:
 
  a. 1,000.
 b. the size of the population.
 c. the size of the sample.
 d. the GNP.
 e. the number of households in the population.

dadi_06   52   1 Reply

junyan

A researcher is interested in the effect that neighborhood crime-watch efforts have on the crime ...

A researcher is interested in the effect that neighborhood crime-watch efforts have on the crime ...

A researcher is interested in the effect that neighborhood crime-watch efforts have on the crime rate in the inner city, but he is unwilling to predict the direction of the difference. The appropriate test of hypothesis would be
 
  a. one

tpaige12   52   1 Reply

Dasaherals

The end product of the coding process in quantitative analysis refers to:

The end product of the coding process in quantitative analysis refers to:

The end product of the coding process in quantitative analysis refers to:
 
  a. the conversion of data items into numerical codes.
 b. the conversion of an attribute to a variable.
 c. the assignment of a number or numeral to ea

Alexxxh   52   1 Reply

alex123

A measure of dispersion describes:

A measure of dispersion describes:

A measure of dispersion describes:
 
  a. the clustered data.
 b. the data that is most important.
 c. the distribution of values around some central value.
 d. the appropriate data for analysis.
 e. the discrete data o

multimaan   52   1 Reply

alex123

Frequency distributions indicate the number of times that variables are observed.

Frequency distributions indicate the number of times that variables are observed.

Frequency distributions indicate the number of times that variables are observed.
 
  a. True
 b. False
  Indicate whether the statement is true or false

Tmi32   52   2 Replies

Paul Glavin

If a difference between random samples is not statistically significant, it is probably __________. ...

If a difference between random samples is not statistically significant, it is probably __________. ...

If a difference between random samples is not statistically significant, it is probably __________. On the other hand, a statistically significant difference is not necessarily ___________.
 
  a. important  due to random chance
  b.

nathanwhite2016   52   1 Reply

jtmassey08

Lambda is a PRE measure that is used when variables are measured at the

Lambda is a PRE measure that is used when variables are measured at the

Lambda is a PRE measure that is used when variables are measured at the
 
  a. nominal level
  b. ordinal level
  c. interval-ratio level
  d. any of the above

nathanwhite2016   52   1 Reply

lakernation24

After controlling for Z, the partial correlation coefficient between X and Y is the same value as ...

After controlling for Z, the partial correlation coefficient between X and Y is the same value as ...

After controlling for Z, the partial correlation coefficient between X and Y is the same value as the bivariate Pearson's r. This pattern would be taken as evidence of
 
  a. a direct relationship between X and Y
  b. a spurious relat

divijnanda   52   1 Reply

Caellis1962

One advantage of the technique of multiple regression is that it allows the ___________ effects of ...

One advantage of the technique of multiple regression is that it allows the ___________ effects of ...

One advantage of the technique of multiple regression is that it allows the ___________ effects of the ____________ variables to be investigated.
 
  a. combined... independents
  b. separate... independents
  c. combined... cont

ANKUR   52   1 Reply

jtmassey08

The variable plumber has the attribute of occupation (True or false?)

The variable plumber has the attribute of occupation (True or false?)

The variable plumber has the attribute of occupation.
 
  Indicate whether the statement is true or false

Wafflez4Reason   52   1 Reply

48hiam

Symbolic interactionists tend to focus on macrotheoretical issues. (True or false?)

Symbolic interactionists tend to focus on macrotheoretical issues. (True or false?)

Symbolic interactionists tend to focus on macrotheoretical issues.
 
  Indicate whether the statement is true or false

shabazz627   52   2 Replies

shabazz627

Explanatory studies are designed to find answers to which of the following questions?

Explanatory studies are designed to find answers to which of the following questions?

Explanatory studies are designed to find answers to which of the following questions?
 
  a. What is the educational profile of people who change careers in midlife?
  b. Why are people changing careers in midlife?
  c. How many

nathanwhite2016   52   1 Reply

imtherealslimsh

Which of the following designs uncovers only net changes?

Which of the following designs uncovers only net changes?

Which of the following designs uncovers only net changes?
 
  a. cohort and trend studies
  b. trend and panel studies
  c. cohort and panel studies
  d. cohort and cross-sectional studies
  e. trend and cross-sectional

Rebeccajo   52   1 Reply

Tskotar

Exploratory studies are done for all EXCEPT which one of the following purposes?

Exploratory studies are done for all EXCEPT which one of the following purposes?

Exploratory studies are done for all EXCEPT which one of the following purposes?
 
  a. to satisfy the researcher's curiosity and desire for better understanding
  b. to sort out the ethical implications of a study
  c. to test t

multimaan   52   2 Replies

multimaan

A problem that plagues panel studies specifically is:

A problem that plagues panel studies specifically is:

A problem that plagues panel studies specifically is:
 
  a. time series.
  b. selection bias.
  c. panel mortality.
  d. panel covariance.
  e. none of these choices are correct.

danusha   52   1 Reply

mrdominic

The most simplistic, but acceptable way of handling missing data is to

The most simplistic, but acceptable way of handling missing data is to

The most simplistic, but acceptable way of handling missing data is to
 
  a. exclude cases that are missing data.
  b. substitute responses based on an observable pattern.
  c. using an analysis technique to find potential respo

kimberlieeike   52   1 Reply

ag72198

The chief purpose of probability sampling is to be able to select

The chief purpose of probability sampling is to be able to select

The chief purpose of probability sampling is to be able to select
 
  a. simple random samples.
  b. a sample whose statistics will accurately portray an unknown population parameter.
  c. a sample whose parameters will accuratel

Porkles   52   1 Reply

virpal jattana

There is never a time in which non-probability methods are preferable to probability methods ...

There is never a time in which non-probability methods are preferable to probability methods ...

There is never a time in which non-probability methods are preferable to probability methods
 
  Indicate whether the statement is true or false

snowfairy2611   52   1 Reply

chemistry9999

The Solomon four-group design (Multiple Choice)

The Solomon four-group design (Multiple Choice)

The Solomon four-group design
 
  a. combines the classical experimental design with the posttest-only control group design.
  b. combines the classical experimental design with the pretest-only control group design.
  c. combine

Rebeccajo   52   1 Reply

Beunique334

Ryan wanted to study the effect of adult play with preschoolers on the children's noisiness. So, he ...

Ryan wanted to study the effect of adult play with preschoolers on the children's noisiness. So, he ...

Ryan wanted to study the effect of adult play with preschoolers on the children's noisiness. So, he went to one preschool for a week and played with the children during breaks. At the end of the week, he measured their noisiness. For comparison purpo

huhs   52   2 Replies

huhs

The possibility that patterns of behavior at a group level do not reflect corresponding patterns on ...

The possibility that patterns of behavior at a group level do not reflect corresponding patterns on ...

The possibility that patterns of behavior at a group level do not reflect corresponding patterns on an individual level is known as
 
  a. an ecological fallacy.
  b. replication.
  c. verstehen.
  d. unobtrusive measurement

bernaljr20031   52   1 Reply

Greygoos3

Subgroup comparisons are done by

Subgroup comparisons are done by

Subgroup comparisons are done by
 
  a. dividing cases (subjects or respondents) into subgroups, describing each subgroup in terms of a given variable, and comparing those descriptions across subgroups.
  b. dividing, describing, and

kaaanaaa2   52   1 Reply

EmilyMM265

Professor Bu's calculated chi square value for a set of data was 11.92 . The value for chi square ...

Professor Bu's calculated chi square value for a set of data was 11.92 . The value for chi square ...

Professor Bu's calculated chi square value for a set of data was 11.92 . The value for chi square at the .05 level in a table of values was 16.91 . The professor can conclude
 
  a. the null hypothesis should be rejected.
  b. the rel

Kiki06   52   2 Replies

Kiki06

Websites are subject to the peer review process (True or false?)

Websites are subject to the peer review process (True or false?)

Websites are subject to the peer review process.
 
  Indicate whether the statement is true or false

ashleyhen6753   52   2 Replies

ashleyhen6753