Question 1

The participants in a research study are classified as high,medium,or low in self-esteem.What measurement scale is being used to classify self-esteem?

Accepted Answer

A) Nominal 
B) Ordinal 
C) Interval 
D) Ratio 
A) Nominal 
B) Ordinal 
C) Interval 
D) Ratio

Question 2

A researcher is curious about the average monthly cell phone bill for high school students in the state of Florida.If this average could be obtained,it would be an example of a ______.

Accepted Answer

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

Question 3

What is the value of ΣX2 for the scores 1,0,2,4?

Accepted Answer

A) 14 
B) 21 
C) 28 
D) 49 
A) 14 
B) 21 
C) 28 
D) 49

Question 4

If it is impossible to divide the existing categories of a variable,then it is an example of a _____ variable.

Accepted Answer

A) independent 
B) dependent 
C) discrete 
D) continuous 
A) independent 
B) dependent 
C) discrete 
D) continuous

Question 5

What is the value of Σ(X - 2 )2 for the scores 2,3,5?

Accepted Answer

A) 8 
B) 10 
C) 16 
D) 36 
A) 8 
B) 10 
C) 16 
D) 36

Question 6

What is the first step to be performed when computing Σ(X + 2)2?

Accepted Answer

A) Square each value 
B) Add 2 points to each score 
C) Sum the squared values 
D) Sum the (X + 2)values 
A) Square each value 
B) Add 2 points to each score 
C) Sum the squared values 
D) Sum the (X + 2)values

Question 7

What is the value of Σ(X - 2)for the scores 2,3,5?

Accepted Answer

A) 4 
B) 6 
C) 8 
D) 10 
A) 4 
B) 6 
C) 8 
D) 10

Question 8

Students in an introductory art class are classified as art majors and non-art majors.What scale of measurement is being used to classify the students?

Accepted Answer

A) Nominal 
B) Ordinal 
C) Interval 
D) Ratio 
A) Nominal 
B) Ordinal 
C) Interval 
D) Ratio

Question 9

What is the value of Σ(X + 1)for the scores 2,4,7?

Accepted Answer

A) 10 
B) 11 
C) 13 
D) 16 
A) 10 
B) 11 
C) 13 
D) 16

Question 10

You are instructed to subtract 4 points from each score and find the sum of the resulting values.How would this set of instructions be expressed in summation notation?

Accepted Answer

A) ΣX - 4 
B) Σ (X - 4) 
C) 4 - ΣX 
D) Σ(4 - X) 
A) ΣX - 4 
B) Σ (X - 4) 
C) 4 - ΣX 
D) Σ(4 - X)

Question 11

For the following scores,ΣX2 = 35.

Accepted Answer

A) True 
 B)False

Question 12

To determine how much difference there is between two individuals,you must use either an interval or a ratio scale of measurement.

Accepted Answer

A) True 
 B)False

Question 13

What additional information is obtained by measuring two individuals on an interval scale compared to a ordinal scale?

Accepted Answer

A) Whether the measurements are the same or different 
B) The direction of the difference 
C) The size of the difference 
D) None of the other options is correct 
A) Whether the measurements are the same or different 
B) The direction of the difference 
C) The size of the difference 
D) None of the other options is correct

Question 14

A characteristic,usually a numerical value,which describes a sample is called a _______.

Accepted Answer

A) parameter 
B) statistic 
C) variable 
D) constant 
A) parameter 
B) statistic 
C) variable 
D) constant

Question 15

What is the value of Σ(X - 1)2 for the scores 1,2,1,4?

Accepted Answer

A) 10 
B) 16 
C) 36 
D) 49 
A) 10 
B) 16 
C) 36 
D) 49

Question 16

You are instructed to subtract 4 points from each score,square the resulting value,and find the sum of the squared numbers.How would this set of instructions be expressed in summation notation?

Accepted Answer

A) ΣX - 42 
B) (ΣX - 4)2 
C) Σ(X - 4)2 
D) ΣX2 - 4 
A) ΣX - 42 
B) (ΣX - 4)2 
C) Σ(X - 4)2 
D) ΣX2 - 4

Question 17

Recording the number of text messages you receive each day would be an example of measuring a discrete variable.

Accepted Answer

A) True 
 B)False

Question 18

A data set is described as consisting of n = 15 scores.Based on the notation being used,the data set is a sample.

Accepted Answer

A) True 
 B)False

Question 19

The final step in computing Σ(X + 1)2 is to square the sum of the (X + 1)values.

Accepted Answer

A) True 
 B)False

Question 20

For the following scores,F1F1F1S1F1F1F10X2 = (F1F1F1S1F1F1F10X)2.

Accepted Answer

A) True 
 B)False

The participants in a research study are classified as high,medium,or low in self-esteem.What measurement scale is being used to classify self-esteem?

A researcher is curious about the average monthly cell phone bill for high school students in the state of Florida.If this average could be obtained,it would be an example of a ______.

What is the value of ΣX² for the scores 1,0,2,4?

If it is impossible to divide the existing categories of a variable,then it is an example of a _____ variable.

What is the value of Σ(X - 2 )² for the scores 2,3,5?

What is the first step to be performed when computing Σ(X + 2)²?

What is the value of Σ(X - 2)for the scores 2,3,5?

Students in an introductory art class are classified as art majors and non-art majors.What scale of measurement is being used to classify the students?

What is the value of Σ(X + 1)for the scores 2,4,7?

You are instructed to subtract 4 points from each score and find the sum of the resulting values.How would this set of instructions be expressed in summation notation?

For the following scores,ΣX² = 35.

To determine how much difference there is between two individuals,you must use either an interval or a ratio scale of measurement.

What additional information is obtained by measuring two individuals on an interval scale compared to a ordinal scale?

A characteristic,usually a numerical value,which describes a sample is called a _______.

What is the value of Σ(X - 1)² for the scores 1,2,1,4?

You are instructed to subtract 4 points from each score,square the resulting value,and find the sum of the squared numbers.How would this set of instructions be expressed in summation notation?

Recording the number of text messages you receive each day would be an example of measuring a discrete variable.

A data set is described as consisting of n = 15 scores.Based on the notation being used,the data set is a sample.

The final step in computing Σ(X + 1)² is to square the sum of the (X + 1)values.

For the following scores,X² = (X)².

Frequency Distributions

Measures of Central Tendency

Measures of Variability

Z-Scores

Probability

Probability and Samples:

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 and Two-Factor Anova

Correlation and Regression

Chi-Square Tests

Filters

Exam 1: Introduction to Statistics

The participants in a research study are classified as high,medium,or low in self-esteem.What measurement scale is being used to classify self-esteem?

A researcher is curious about the average monthly cell phone bill for high school students in the state of Florida.If this average could be obtained,it would be an example of a ______.

What is the value of ΣX2 for the scores 1,0,2,4?

If it is impossible to divide the existing categories of a variable,then it is an example of a _____ variable.

What is the value of Σ(X - 2 )2 for the scores 2,3,5?

What is the first step to be performed when computing Σ(X + 2)2?

What is the value of Σ(X - 2)for the scores 2,3,5?

Students in an introductory art class are classified as art majors and non-art majors.What scale of measurement is being used to classify the students?

What is the value of Σ(X + 1)for the scores 2,4,7?

You are instructed to subtract 4 points from each score and find the sum of the resulting values.How would this set of instructions be expressed in summation notation?

For the following scores,ΣX2 = 35.

To determine how much difference there is between two individuals,you must use either an interval or a ratio scale of measurement.

What additional information is obtained by measuring two individuals on an interval scale compared to a ordinal scale?

A characteristic,usually a numerical value,which describes a sample is called a _______.

What is the value of Σ(X - 1)2 for the scores 1,2,1,4?

You are instructed to subtract 4 points from each score,square the resulting value,and find the sum of the squared numbers.How would this set of instructions be expressed in summation notation?

Recording the number of text messages you receive each day would be an example of measuring a discrete variable.

A data set is described as consisting of n = 15 scores.Based on the notation being used,the data set is a sample.

The final step in computing Σ(X + 1)2 is to square the sum of the (X + 1)values.

For the following scores,X2 = (X)2.

Frequency Distributions

Measures of Central Tendency

Measures of Variability

Z-Scores

Probability

Probability and Samples:

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 and Two-Factor Anova

Correlation and Regression

Chi-Square Tests

Filters

What is the value of ΣX² for the scores 1,0,2,4?

What is the value of Σ(X - 2 )² for the scores 2,3,5?

What is the first step to be performed when computing Σ(X + 2)²?

For the following scores,ΣX² = 35.

What is the value of Σ(X - 1)² for the scores 1,2,1,4?

The final step in computing Σ(X + 1)² is to square the sum of the (X + 1)values.

For the following scores,X² = (X)².