Question 1

What is the test statistic calculated by the statistical procedure selected known as?

Accepted Answer

A)  Critical value 
B)  Significance level 
C)  Obtained value 
D)  p value 
A)  Critical value 
B)  Significance level 
C)  Obtained value 
D)  p value

Question 2

In the formula that computes a t value, what does n?D represent?

Accepted Answer

A)  Sum of the difference between groups 
B)  Sum of the means for Group 1 
C)  Sum of the means for Group 2 
D)  Sum of the differences squared 
A)  Sum of the difference between groups 
B)  Sum of the means for Group 1 
C)  Sum of the means for Group 2 
D)  Sum of the differences squared

Question 3

In order to be 99% confident you have not committed a Type I error, at what level should you set your p value?

Accepted Answer

A)  .01 
B)  .10 
C)  .05 
D)  .15 
A)  .01 
B)  .10 
C)  .05 
D)  .15

Question 4

Explain the difference between a test of dependent and independent means.

Accepted Answer

A test for	dependent means tes

Question 5

If the obtained value is less than the critical value, what should you do?

Accepted Answer

A)  Reject the null hypothesis 
B)  Accept the null hypothesis 
C)  Reduce the p value 
D)  Decrease your sample 
A)  Reject the null hypothesis 
B)  Accept the null hypothesis 
C)  Reduce the p value 
D)  Decrease your sample

Question 6

Which of the following represents degrees of freedom?

Accepted Answer

A)  fd 
B)  df 
C)  d 
D)  f 
A)  fd 
B)  df 
C)  d 
D)  f

Question 7

What is used to examine the degree of relationship between variables?

Accepted Answer

A)  Hypothesized mean difference 
B)  Pearson correlation 
C)  Observations 
D)  Variance 
A)  Hypothesized mean difference 
B)  Pearson correlation 
C)  Observations 
D)  Variance

Question 8

What does t critical one-tail represent?

Accepted Answer

The crucial value on

Question 9

When using the Amazing Analysis ToolPak to compute t value for dependent samples, which test should you select?

Accepted Answer

Select the t Test: Paired Two

Question 10

What does the Excel function TTEST compute?

Accepted Answer

A)  t value 
B)  Probability of the t value occurring 
C)  Critical t value 
D)  Obtained t value 
A)  t value 
B)  Probability of the t value occurring 
C)  Critical t value 
D)  Obtained t value

What is the test statistic calculated by the statistical procedure selected known as?

In the formula that computes a t value, what does n?D represent?

In order to be 99% confident you have not committed a Type I error, at what level should you set your p value?

Explain the difference between a test of dependent and independent means.

If the obtained value is less than the critical value, what should you do?

Which of the following represents degrees of freedom?

What is used to examine the degree of relationship between variables?

What does t critical one-tail represent?

When using the Amazing Analysis ToolPak to compute t value for dependent samples, which test should you select?

What does the Excel function TTEST compute?

Statistics or Sadistics? It’s Up to You

Means to an End: Computing and Understanding Averages

Vive La Différence: Understanding Variability

A Picture Really Is Worth a Thousand Words

Ice Cream and Crime: Computing Correlation Coefficients

Just the Truth: An Introduction to Understanding Reliability and Validity

Hypotheticals and You: Testing Your Questions

Are Your Curves Normal? Probability and Why It Counts

Significantly Significant: What It Means for You and Me

Only the Lonely

t(ea) for Two (Again): Tests Between the Means of Related Groups

Two Groups Too Many? Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variance

Cousins or Just Good Friends? Testing Relationships Using the Correlation Coefficient

Predicting Who’ll Win the Super Bowl: Using Linear Regression

What to Do When You’re Not Normal: Chi-Square and Some Other Nonparametric Tests

Some Other (Important) Statistical Procedures You Should Know About

Filters

Exam 11: t(ea) for Two (Again): Tests Between the Means of Related Groups

What is the test statistic calculated by the statistical procedure selected known as?

In the formula that computes a t value, what does n?D represent?

In order to be 99% confident you have not committed a Type I error, at what level should you set your p value?

Explain the difference between a test of dependent and independent means.

If the obtained value is less than the critical value, what should you do?

Which of the following represents degrees of freedom?

What is used to examine the degree of relationship between variables?

What does t critical one-tail represent?

When using the Amazing Analysis ToolPak to compute t value for dependent samples, which test should you select?

What does the Excel function TTEST compute?

Statistics or Sadistics? It’s Up to You

Means to an End: Computing and Understanding Averages

Vive La Différence: Understanding Variability

A Picture Really Is Worth a Thousand Words

Ice Cream and Crime: Computing Correlation Coefficients

Just the Truth: An Introduction to Understanding Reliability and Validity

Hypotheticals and You: Testing Your Questions

Are Your Curves Normal? Probability and Why It Counts

Significantly Significant: What It Means for You and Me

Only the Lonely

t(ea) for Two (Again): Tests Between the Means of Related Groups

Two Groups Too Many? Try Analysis of Variance

Two Too Many Factors: Factorial Analysis of Variance

Cousins or Just Good Friends? Testing Relationships Using the Correlation Coefficient

Predicting Who’ll Win the Super Bowl: Using Linear Regression

What to Do When You’re Not Normal: Chi-Square and Some Other Nonparametric Tests

Some Other (Important) Statistical Procedures You Should Know About

Filters