Question 1

If we obtained the square root of the variance, the resulting value would be __________.

Accepted Answer

A)  σ 
B)  σ² 
C)  SS 
D)  s² 
A)  σ 
B)  σ² 
C)  SS 
D)  s²

Question 2

Identify what the following symbols represent.
a. M
b. μ
c. σ²
d. σ
e. s

Accepted Answer

a. M = sample mean
b. μ = popu

Question 3

A set of 10 scores has a variance of 36. What is the sum of squares?

Accepted Answer

A)  360 
B)  6 
C)  36 
D)  60 
A)  360 
B)  6 
C)  36 
D)  60

Question 4

If we obtained the square root of the variance, the resulting value would be

Accepted Answer

A)  the standard deviation. 
B)  the deviation score. 
C)  sum of squares. 
D)  the interquartile range. 
A)  the standard deviation. 
B)  the deviation score. 
C)  sum of squares. 
D)  the interquartile range.

Question 5

A set of 15 scores from a population has a sum of squares value of 675.
a. What is the variance?
b. What is the standard deviation?

Accepted Answer

The answer of A set of 15 scores from a...

Question 6

A set of 10 scores has a sum of squares value of 810. What is the standard deviation?

Accepted Answer

A)  8100 
B)  81 
C)  9 
D)  90 
A)  8100 
B)  81 
C)  9 
D)  90

Question 7

The following scores are from a sample and will be used to estimate the standard deviation for a population: 7, 4, 8, 6, 10. Using the definitional formula, calculate the standard deviation.

Accepted Answer

None

Question 8

The numerator in the formula for the standard deviation is called

Accepted Answer

A)  sum of squares. 
B)  the variance. 
C)  deviation scores. 
D)  degrees of freedom. 
A)  sum of squares. 
B)  the variance. 
C)  deviation scores. 
D)  degrees of freedom.

Question 9

In learning statistics, computational formulas

Accepted Answer

A)  are written the way that statistics are defined. 
B)  guide the learner through the steps of what is being learned. 
C)  are easier to work with than definitional formulas. 
D)  involve more computations than definitional formulas. 
A)  are written the way that statistics are defined. 
B)  guide the learner through the steps of what is being learned. 
C)  are easier to work with than definitional formulas. 
D)  involve more computations than definitional formulas.

If we obtained the square root of the variance, the resulting value would be __________.

Identify what the following symbols represent. a. M b. μ c. σ² d. σ e. s

A set of 10 scores has a variance of 36. What is the sum of squares?

If we obtained the square root of the variance, the resulting value would be

A set of 15 scores from a population has a sum of squares value of 675. a. What is the variance? b. What is the standard deviation?

A set of 10 scores has a sum of squares value of 810. What is the standard deviation?

The following scores are from a sample and will be used to estimate the standard deviation for a population: 7, 4, 8, 6, 10. Using the definitional formula, calculate the standard deviation.

The numerator in the formula for the standard deviation is called

In learning statistics, computational formulas

Organizing Data Using Tables and Graphs

Measures of Central Tendency

Z-Scores and Other Standard Scores

Probability and the Normal Distribution

Sampling Distribution of Means

Hypothesis Testing

One-Sample T-Test

Two-Sample T-Test: Independent Samples Design

Two-Sample T-Test: Related Samples Design

Confidence Interval Versus Point Estimation

One-Way Analysis of Variance

Factorial Analysis of Variance

Correlation and Regression

Chi-Square

Introduction to Statistics

Nonparametric Statistics for Ordinal Data

Filters

Exam 4: Measures of Variability

If we obtained the square root of the variance, the resulting value would be __________.

Identify what the following symbols represent. a. M b. μ c. σ² d. σ e. s

A set of 10 scores has a variance of 36. What is the sum of squares?

If we obtained the square root of the variance, the resulting value would be

A set of 15 scores from a population has a sum of squares value of 675. a. What is the variance? b. What is the standard deviation?

A set of 10 scores has a sum of squares value of 810. What is the standard deviation?

The following scores are from a sample and will be used to estimate the standard deviation for a population: 7, 4, 8, 6, 10. Using the definitional formula, calculate the standard deviation.

The numerator in the formula for the standard deviation is called

In learning statistics, computational formulas

Organizing Data Using Tables and Graphs

Measures of Central Tendency

Z-Scores and Other Standard Scores

Probability and the Normal Distribution

Sampling Distribution of Means

Hypothesis Testing

One-Sample T-Test

Two-Sample T-Test: Independent Samples Design

Two-Sample T-Test: Related Samples Design

Confidence Interval Versus Point Estimation

One-Way Analysis of Variance

Factorial Analysis of Variance

Correlation and Regression

Chi-Square

Introduction to Statistics

Nonparametric Statistics for Ordinal Data

Filters