Question 1

The use of tables and graphs to summarize data is an example of

Accepted Answer

A) inferential statistics 
B) interpretation 
C) descriptive statistics 
D) generalization 
A) inferential statistics 
B) interpretation 
C) descriptive statistics 
D) generalization

Question 2

Three key elements of control that allow researchers to draw cause-and-effect conclusions are

Accepted Answer

A) randomization,manipulation,and variation 
B) assignment,manipulation,and comparison/control 
C) randomization,manipulation,and comparison/control 
D) randomization,condition,and comparison/control 
A) randomization,manipulation,and variation 
B) assignment,manipulation,and comparison/control 
C) randomization,manipulation,and comparison/control 
D) randomization,condition,and comparison/control

Question 3

An education counselor records the number of high school graduates enrolled in community colleges,four-year colleges,and universities.What scale of measurement is the type of college?

Accepted Answer

A) nominal 
B) ordinal 
C) interval 
D) ratio 
A) nominal 
B) ordinal 
C) interval 
D) ratio

Question 4

________ are measured along a continuum at any place beyond the decimal point.

Accepted Answer

A) continuous data 
B) discrete data 
C) qualitative data 
D) open-ended data 
A) continuous data 
B) discrete data 
C) qualitative data 
D) open-ended data

Question 5

________ is the variable in an experiment that is manipulated between conditions being observed.

Accepted Answer

A) independent variable 
B) quasi-independent variable 
C) dependent variable 
A) independent variable 
B) quasi-independent variable 
C) dependent variable

Question 6

The duration of drug use (in months)is a ratio scale measurement.

Accepted Answer

A) True 
 B)False

Question 7

A researcher compares the amount of college debt (in dollars)that undergraduate students incur up to their four-year degree.College debt is on what scale of measurement?

Accepted Answer

A) nominal 
B) ordinal 
C) interval 
D) ratio 
A) nominal 
B) ordinal 
C) interval 
D) ratio

Question 8

Descriptive statistics can be used to describe populations and samples.

Accepted Answer

A) True 
 B)False

Question 9

Only an experiment can demonstrate cause-and-effect relationships between variables.

Accepted Answer

A) True 
 B)False

Question 10

Statistical analysis allows researchers to

Accepted Answer

A) collect data 
B) claim that an observation is scientific 
C) evaluate scientific observations 
D) study physical phenomena but not behavior 
A) collect data 
B) claim that an observation is scientific 
C) evaluate scientific observations 
D) study physical phenomena but not behavior

Question 11

The political affiliation of participants (Democrat,Republican)is an example of discrete,qualitative data.

Accepted Answer

A) True 
 B)False

Question 12

State the four scales of measurement in order from least informative to most informative.

Accepted Answer

A) ordinal,nominal,interval,ratio 
B) nominal,ordinal,interval,ratio 
C) nominal,ordinal,ratio,interval 
D) ordinal,nominal,ratio,interval 
A) ordinal,nominal,interval,ratio 
B) nominal,ordinal,interval,ratio 
C) nominal,ordinal,ratio,interval 
D) ordinal,nominal,ratio,interval

Question 13

The weight (in pounds)of a newborn infant is an interval scale measurement.

Accepted Answer

A) True 
 B)False

Question 14

Many researchers who measure qualitative variables will also measure those that are quantitative in the same study.

Accepted Answer

A) True 
 B)False

Question 15

Suppose that a researcher is interested in a group of 10 million people who paid to see a movie playing in theaters.In this example,the 10 million moviegoers would be regarded as

Accepted Answer

A) a sample of moviegoers who paid to see the movie in a theater 
B) a population of moviegoers who paid to see the movie in a theater 
C) an independent variable 
D) a dependent variable 
A) a sample of moviegoers who paid to see the movie in a theater 
B) a population of moviegoers who paid to see the movie in a theater 
C) an independent variable 
D) a dependent variable

Question 16

Based on the following graphical summary display,what research design was used to record and analyze these data?

Accepted Answer

A) correlational 
B) experimental 
C) quasi-experimental 
D) either B or C 
A) correlational 
B) experimental 
C) quasi-experimental 
D) either B or C

Question 17

Qualitative data varies by ________;quantitative data varies by ________.

Accepted Answer

A) level;value 
B) value;level 
C) amount;class 
D) class;amount 
A) level;value 
B) value;level 
C) amount;class 
D) class;amount

Question 18

An ordinal scale of measurement is more informative than an interval scale of measurement.

Accepted Answer

A) True 
 B)False

Question 19

Inferential statistics is used to determine if observations made in a sample are likely to also be observed in the population from which the sample was selected.

Accepted Answer

A) True 
 B)False

Question 20

In some cases,the number of participants in a sample can be greater than the number of persons in the population from which the same was selected.

Accepted Answer

A) True 
 B)False

The use of tables and graphs to summarize data is an example of

Three key elements of control that allow researchers to draw cause-and-effect conclusions are

An education counselor records the number of high school graduates enrolled in community colleges,four-year colleges,and universities.What scale of measurement is the type of college?

________ are measured along a continuum at any place beyond the decimal point.

________ is the variable in an experiment that is manipulated between conditions being observed.

The duration of drug use (in months)is a ratio scale measurement.

A researcher compares the amount of college debt (in dollars)that undergraduate students incur up to their four-year degree.College debt is on what scale of measurement?

Descriptive statistics can be used to describe populations and samples.

Only an experiment can demonstrate cause-and-effect relationships between variables.

Statistical analysis allows researchers to

The political affiliation of participants (Democrat,Republican)is an example of discrete,qualitative data.

State the four scales of measurement in order from least informative to most informative.

The weight (in pounds)of a newborn infant is an interval scale measurement.

Many researchers who measure qualitative variables will also measure those that are quantitative in the same study.

Suppose that a researcher is interested in a group of 10 million people who paid to see a movie playing in theaters.In this example,the 10 million moviegoers would be regarded as

Based on the following graphical summary display,what research design was used to record and analyze these data?

Qualitative data varies by ;quantitative data varies by .

An ordinal scale of measurement is more informative than an interval scale of measurement.

Inferential statistics is used to determine if observations made in a sample are likely to also be observed in the population from which the sample was selected.

In some cases,the number of participants in a sample can be greater than the number of persons in the population from which the same was selected.

Summarizing Data: Frequency Distributions in Tables and Graphs

Summarizing Data: Central Tendency

Summarizing Data: Variability

Probability

Probability, Normal Distributions, and Z Scores

Probability and Sampling Distributions

Hypothesis Testing: Significance, Effect Size, and Power

Testing Means: One-Sample and Two-Independent Sample T Tests

Testing Means: Related Samples T Test

Estimation and Confidence Intervals

Analysis of Variance: One-Way Between-Subjects Design

Analysis of Variance: One-Way Within-Subjects Repeated Measures Design

Analysis of Variance: Two-Way Between-Subjects Factorial Design

Correlation

Linear Regression and Multiple Regression

Nonparametric Tests: Chi-Square Tests

Nonparametric Tests: Tests for Ordinal Data

Filters

Exam 1: Introduction to Statistics

The use of tables and graphs to summarize data is an example of

Three key elements of control that allow researchers to draw cause-and-effect conclusions are

An education counselor records the number of high school graduates enrolled in community colleges,four-year colleges,and universities.What scale of measurement is the type of college?

________ are measured along a continuum at any place beyond the decimal point.

________ is the variable in an experiment that is manipulated between conditions being observed.

The duration of drug use (in months)is a ratio scale measurement.

A researcher compares the amount of college debt (in dollars)that undergraduate students incur up to their four-year degree.College debt is on what scale of measurement?

Descriptive statistics can be used to describe populations and samples.

Only an experiment can demonstrate cause-and-effect relationships between variables.

Statistical analysis allows researchers to

The political affiliation of participants (Democrat,Republican)is an example of discrete,qualitative data.

State the four scales of measurement in order from least informative to most informative.

The weight (in pounds)of a newborn infant is an interval scale measurement.

Many researchers who measure qualitative variables will also measure those that are quantitative in the same study.

Suppose that a researcher is interested in a group of 10 million people who paid to see a movie playing in theaters.In this example,the 10 million moviegoers would be regarded as

Based on the following graphical summary display,what research design was used to record and analyze these data?

Qualitative data varies by ________;quantitative data varies by ________.

An ordinal scale of measurement is more informative than an interval scale of measurement.

Inferential statistics is used to determine if observations made in a sample are likely to also be observed in the population from which the sample was selected.

In some cases,the number of participants in a sample can be greater than the number of persons in the population from which the same was selected.

Summarizing Data: Frequency Distributions in Tables and Graphs

Summarizing Data: Central Tendency

Summarizing Data: Variability

Probability

Probability, Normal Distributions, and Z Scores

Probability and Sampling Distributions

Hypothesis Testing: Significance, Effect Size, and Power

Testing Means: One-Sample and Two-Independent Sample T Tests

Testing Means: Related Samples T Test

Estimation and Confidence Intervals

Analysis of Variance: One-Way Between-Subjects Design

Analysis of Variance: One-Way Within-Subjects Repeated Measures Design

Analysis of Variance: Two-Way Between-Subjects Factorial Design

Correlation

Linear Regression and Multiple Regression

Nonparametric Tests: Chi-Square Tests

Nonparametric Tests: Tests for Ordinal Data

Filters

Qualitative data varies by ;quantitative data varies by .