Question 1

Using the average score to describe a sample is an example of inferential statistics.​

Accepted Answer

A) True 
 B)False

Question 2

In a research study comparing attitude scores for males and females,participant gender is an example of what kind of variable?​

Accepted Answer

A) ​an independent variable 
B) ​an dependent variable 
C) ​a quasi-independent variable 
D) ​a quasi-dependent variable 
A) ​an independent variable 
B) ​an dependent variable 
C) ​a quasi-independent variable 
D) ​a quasi-dependent variable

Question 3

Recording the number of students who are absent each day at a high school would be an example of measuring a discrete variable.​

Accepted Answer

A) True 
 B)False

Question 4

What is the final step to be performed when computing Σ(X - 2)2?​

Accepted Answer

A) ​Square each value. 
B) ​Subtract 2 points from each score. 
C) ​Sum the squared values. 
D) ​Subtract 22 from each X2 value. 
A) ​Square each value. 
B) ​Subtract 2 points from each score. 
C) ​Sum the squared values. 
D) ​Subtract 22 from each X2 value.

Question 5

In an introductory theater class,the professor records from the number of movies students watched the previous year.The teacher is measuring a discrete variable.​

Accepted Answer

A) True 
 B)False

Question 6

To compute (ΣX)2,you first add the scores,then square the total.​

Accepted Answer

A) True 
 B)False

Question 7

For the following scores,Σ(X - 1)= 10.Scores: 1,3,7​

Accepted Answer

A) True 
 B)False

Question 8

A high school gym teacher records how much time each student requires to complete a one-mile run.This is an example of measuring a continuous variable.​

Accepted Answer

A) True 
 B)False

Question 9

Using letter grades (A,B,C,D,and E)to classify student performance on an exam is an example of measurement on a(n)____ scale of measurement.​

Accepted Answer

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

Question 10

A researcher is interested in the eating behavior of rats and selects a group of 25 rats to be tested in a research study.The group of 25 rats is an example of a ____.​

Accepted Answer

A) ​sample 
B) ​statistic 
C) ​population 
D) ​parameter 
A) ​sample 
B) ​statistic 
C) ​population 
D) ​parameter

Question 11

What is the value of ΣX + 1 for the following scores?​ Scores 1,0,2,4

Accepted Answer

A) ​8 
B) ​10 
C) ​11 
D) ​14 
A) ​8 
B) ​10 
C) ​11 
D) ​14

Question 12

A researcher interested in vocabulary development obtains a sample of three-year-old children to participate in a research study.The average score for the group of 20 is an example of a parameter.​

Accepted Answer

A) True 
 B)False

Question 13

After measuring two individuals,a researcher can say that Tom's score is four points higher than Bill's.The measurements must come from a(n)____ scale.​

Accepted Answer

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

Question 14

Which description provides an example of a continuous variable?​

Accepted Answer

A) ​The gender of each student in a psychology class 
B) ​The number of males in each class offered by the college 
C) ​The amount of time to solve a problem 
D) ​The number of children in a family 
A) ​The gender of each student in a psychology class 
B) ​The number of males in each class offered by the college 
C) ​The amount of time to solve a problem 
D) ​The number of children in a family

Question 15

Calculate each value requested for the following set of scores: $$\begin{array} { r c } 
\mathrm { X } & \mathrm { Y } \
1 & 5 \
3 & 1 \
0 & - 2 \
2 & - 4
\end{array}$$ 
a. ΣX
b. ΣY
c. ΣXΣY
d. ΣXY

Accepted Answer

The answer of Calculate each value requested for the following...

Question 16

A recent study reports that elementary school students who were given a nutritious breakfast each morning had higher test scores than students who did not receive the breakfast.For this study,what is the independent variable?​

Accepted Answer

A) ​The students who were given the nutritious breakfast 
B) ​The students who were not given the nutritious breakfast 
C) ​Whether or not a breakfast was given to the students 
D) ​The test scores for the students 
A) ​The students who were given the nutritious breakfast 
B) ​The students who were not given the nutritious breakfast 
C) ​Whether or not a breakfast was given to the students 
D) ​The test scores for the students

Using the average score to describe a sample is an example of inferential statistics.

In a research study comparing attitude scores for males and females,participant gender is an example of what kind of variable?

Recording the number of students who are absent each day at a high school would be an example of measuring a discrete variable.

What is the final step to be performed when computing Σ(X - 2)2?

In an introductory theater class,the professor records from the number of movies students watched the previous year.The teacher is measuring a discrete variable.

To compute (ΣX)²,you first add the scores,then square the total.

For the following scores,Σ(X - 1)= 10.Scores: 1,3,7

A high school gym teacher records how much time each student requires to complete a one-mile run.This is an example of measuring a continuous variable.

Using letter grades (A,B,C,D,and E)to classify student performance on an exam is an example of measurement on a(n)____ scale of measurement.

A researcher is interested in the eating behavior of rats and selects a group of 25 rats to be tested in a research study.The group of 25 rats is an example of a ____.

What is the value of ΣX + 1 for the following scores? Scores 1,0,2,4

A researcher interested in vocabulary development obtains a sample of three-year-old children to participate in a research study.The average score for the group of 20 is an example of a parameter.

After measuring two individuals,a researcher can say that Tom's score is four points higher than Bill's.The measurements must come from a(n)____ scale.

Which description provides an example of a continuous variable?

Calculate each value requested for the following set of scores: 1 5 3 1 0 -2 2 -4 a. ΣX b. ΣY c. ΣXΣY d. ΣXY

A recent study reports that elementary school students who were given a nutritious breakfast each morning had higher test scores than students who did not receive the breakfast.For this study,what is the independent variable?

Frequency Distributions

Central Tendency

Variability

Z-Scores: Location of Scores and Standardized Distributions

Probability

Probability and Samples: the Distribution of Sample Means

Introduction to Hypothesis Testing

Introduction to the T Statistic

The T Test for Two Independent Samples

The T Test for Two Related Samples

Introduction to Analysis of Variance

Repeated-Measures Analysis of Variance Anova

Two-Factor Analysis of Variance Independent Measures

Correlation

Introduction to Regression

The Chi-Square Statistic: Tests for Goodness of Fit and Independence

The Binomial Test

Filters

Exam 1: Introduction to Statistics

Using the average score to describe a sample is an example of inferential statistics.​

In a research study comparing attitude scores for males and females,participant gender is an example of what kind of variable?​

Recording the number of students who are absent each day at a high school would be an example of measuring a discrete variable.​

What is the final step to be performed when computing Σ(X - 2)2?​

In an introductory theater class,the professor records from the number of movies students watched the previous year.The teacher is measuring a discrete variable.​

To compute (ΣX)2,you first add the scores,then square the total.​

For the following scores,Σ(X - 1)= 10.Scores: 1,3,7​

A high school gym teacher records how much time each student requires to complete a one-mile run.This is an example of measuring a continuous variable.​

Using letter grades (A,B,C,D,and E)to classify student performance on an exam is an example of measurement on a(n)____ scale of measurement.​

A researcher is interested in the eating behavior of rats and selects a group of 25 rats to be tested in a research study.The group of 25 rats is an example of a ____.​

What is the value of ΣX + 1 for the following scores?​ Scores 1,0,2,4

A researcher interested in vocabulary development obtains a sample of three-year-old children to participate in a research study.The average score for the group of 20 is an example of a parameter.​

After measuring two individuals,a researcher can say that Tom's score is four points higher than Bill's.The measurements must come from a(n)____ scale.​

Which description provides an example of a continuous variable?​

Calculate each value requested for the following set of scores: 1 5 3 1 0 -2 2 -4 a. ΣX b. ΣY c. ΣXΣY d. ΣXY

A recent study reports that elementary school students who were given a nutritious breakfast each morning had higher test scores than students who did not receive the breakfast.For this study,what is the independent variable?​

Frequency Distributions

Central Tendency

Variability

Z-Scores: Location of Scores and Standardized Distributions

Probability

Probability and Samples: the Distribution of Sample Means

Introduction to Hypothesis Testing

Introduction to the T Statistic

The T Test for Two Independent Samples

The T Test for Two Related Samples

Introduction to Analysis of Variance

Repeated-Measures Analysis of Variance Anova

Two-Factor Analysis of Variance Independent Measures

Correlation

Introduction to Regression

The Chi-Square Statistic: Tests for Goodness of Fit and Independence

The Binomial Test

Filters

Using the average score to describe a sample is an example of inferential statistics.

In a research study comparing attitude scores for males and females,participant gender is an example of what kind of variable?

Recording the number of students who are absent each day at a high school would be an example of measuring a discrete variable.

What is the final step to be performed when computing Σ(X - 2)2?

In an introductory theater class,the professor records from the number of movies students watched the previous year.The teacher is measuring a discrete variable.

To compute (ΣX)²,you first add the scores,then square the total.

For the following scores,Σ(X - 1)= 10.Scores: 1,3,7

A high school gym teacher records how much time each student requires to complete a one-mile run.This is an example of measuring a continuous variable.

Using letter grades (A,B,C,D,and E)to classify student performance on an exam is an example of measurement on a(n)____ scale of measurement.

A researcher is interested in the eating behavior of rats and selects a group of 25 rats to be tested in a research study.The group of 25 rats is an example of a ____.

What is the value of ΣX + 1 for the following scores? Scores 1,0,2,4

A researcher interested in vocabulary development obtains a sample of three-year-old children to participate in a research study.The average score for the group of 20 is an example of a parameter.

After measuring two individuals,a researcher can say that Tom's score is four points higher than Bill's.The measurements must come from a(n)____ scale.

Which description provides an example of a continuous variable?

A recent study reports that elementary school students who were given a nutritious breakfast each morning had higher test scores than students who did not receive the breakfast.For this study,what is the independent variable?