Question 1

What is the value of SS for the following set of scores? Scores: 0,1,4,5

Accepted Answer

A) 17 
B) 18 
C) 42 
D) Cannot answer without knowing whether it is a sample or a population 
A) 17 
B) 18 
C) 42 
D) Cannot answer without knowing whether it is a sample or a population

Question 2

A sample with a variance of 25 has a standard deviation equal to 5 points.

Accepted Answer

A) True 
 B)False

Question 3

For a population with µ = 70 and σ = 5,about 95% of the individuals will have scores between X = 65 and X = 75.

Accepted Answer

A) True 
 B)False

Question 4

If you have a score of X = 76 on an exam with µ = 70,you should expect a better grade if σ = 10 than if σ = 5.

Accepted Answer

A) True 
 B)False

Question 5

On an exam with a mean of μ = 70,you have a score of X = 75.Which of the following values for the standard deviation would give you the highest position within the class?

Accepted Answer

A) σ = 1 
B) σ = 5 
C) σ = 10 
D) Cannot determine from the information given 
A) σ = 1 
B) σ = 5 
C) σ = 10 
D) Cannot determine from the information given

What is the value of SS for the following set of scores? Scores: 0,1,4,5

A sample with a variance of 25 has a standard deviation equal to 5 points.

For a population with µ = 70 and σ = 5,about 95% of the individuals will have scores between X = 65 and X = 75.

If you have a score of X = 76 on an exam with µ = 70,you should expect a better grade if σ = 10 than if σ = 5.

On an exam with a mean of μ = 70,you have a score of X = 75.Which of the following values for the standard deviation would give you the highest position within the class?

Introduction to Statistics.

Frequency Distributions.

Central Tendency.

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 and Two-Factor Analysis of Variance

Correlation and Regression.

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

Filters

Exam 4: Variability.

What is the value of SS for the following set of scores? Scores: 0,1,4,5

A sample with a variance of 25 has a standard deviation equal to 5 points.

For a population with µ = 70 and σ = 5,about 95% of the individuals will have scores between X = 65 and X = 75.

If you have a score of X = 76 on an exam with µ = 70,you should expect a better grade if σ = 10 than if σ = 5.

On an exam with a mean of μ = 70,you have a score of X = 75.Which of the following values for the standard deviation would give you the highest position within the class?

Introduction to Statistics.

Frequency Distributions.

Central Tendency.

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 and Two-Factor Analysis of Variance

Correlation and Regression.

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

Filters