Question 1

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

Accepted Answer

A) 18 
B) 10 
C) 9 
D) 6 
A) 18 
B) 10 
C) 9 
D) 6

Question 2

A sample of n = 25 scores has M = 20 and s2 = 9.What is the sample standard deviation?

Accepted Answer

A) 3 
B) 4.5 
C) 9 
D) 81 
A) 3 
B) 4.5 
C) 9 
D) 81

Question 3

The range is usually considered to be a relatively crude measure of variability.

Accepted Answer

A) True 
 B)False

Question 4

Without some correction,sample variability is said to be "biased." Define the term biased,and explain how this bias is corrected in the formula for sample variance.

Accepted Answer

Without some correction,sample variabili

Question 5

A population of N = 5 scores has ΣX = 20 and ΣX2 = 100.For this population,what is the value of SS?

Accepted Answer

A) 20 
B) 80 
C) 100 
D) 380 
A) 20 
B) 80 
C) 100 
D) 380

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

A sample of n = 25 scores has M = 20 and s² = 9.What is the sample standard deviation?

The range is usually considered to be a relatively crude measure of variability.

Without some correction,sample variability is said to be "biased." Define the term biased,and explain how this bias is corrected in the formula for sample variance.

A population of N = 5 scores has ΣX = 20 and ΣX² = 100.For this population,what is the value of SS?

Introduction to Statistics

Frequency Distributions

Measures of Central Tendency

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 4: Measures of Variability

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

A sample of n = 25 scores has M = 20 and s2 = 9.What is the sample standard deviation?

The range is usually considered to be a relatively crude measure of variability.

Without some correction,sample variability is said to be "biased." Define the term biased,and explain how this bias is corrected in the formula for sample variance.

A population of N = 5 scores has ΣX = 20 and ΣX2 = 100.For this population,what is the value of SS?

Introduction to Statistics

Frequency Distributions

Measures of Central Tendency

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

A sample of n = 25 scores has M = 20 and s² = 9.What is the sample standard deviation?

A population of N = 5 scores has ΣX = 20 and ΣX² = 100.For this population,what is the value of SS?