Question 1

To estimate a population mean with a confidence interval,you first must estimate a range of values for t.

Accepted Answer

A) True 
 B)False

Question 2

If two samples from the same population are the same size and have the same mean,then they will have the same t statistic.

Accepted Answer

A) True 
 B)False

Question 3

In a hypothesis test,a large value for the sample variance increases the likelihood that you will find a significant treatment effect.

Accepted Answer

A) True 
 B)False

Question 4

For a hypothesis test using a t statistic,the boundaries for the critical region will change if the sample size is changed.

Accepted Answer

A) True 
 B)False

Question 5

If other factors are held constant,which set of sample characteristics is most likely to reject a null hypothesis stating that μ = 80?

Accepted Answer

A) M = 85 and small sample variance 
B) M = 85 and large sample variance 
C) M = 90 and small sample variance 
D) M = 90 and large sample variance 
A) M = 85 and small sample variance 
B) M = 85 and large sample variance 
C) M = 90 and small sample variance 
D) M = 90 and large sample variance

To estimate a population mean with a confidence interval,you first must estimate a range of values for t.

If two samples from the same population are the same size and have the same mean,then they will have the same t statistic.

In a hypothesis test,a large value for the sample variance increases the likelihood that you will find a significant treatment effect.

For a hypothesis test using a t statistic,the boundaries for the critical region will change if the sample size is changed.

If other factors are held constant,which set of sample characteristics is most likely to reject a null hypothesis stating that μ = 80?

Introduction to Statistics.

Frequency Distributions.

Central Tendency.

Variability.

z-Scores: Location of Scores and Standardized Distributions.

Probability.

Probability and Samples: The Distribution of Sample Means.

Introduction to Hypothesis Testing.

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 9: Introduction to the t Statistic

To estimate a population mean with a confidence interval,you first must estimate a range of values for t.

If two samples from the same population are the same size and have the same mean,then they will have the same t statistic.

In a hypothesis test,a large value for the sample variance increases the likelihood that you will find a significant treatment effect.

For a hypothesis test using a t statistic,the boundaries for the critical region will change if the sample size is changed.

If other factors are held constant,which set of sample characteristics is most likely to reject a null hypothesis stating that μ = 80?

Introduction to Statistics.

Frequency Distributions.

Central Tendency.

Variability.

z-Scores: Location of Scores and Standardized Distributions.

Probability.

Probability and Samples: The Distribution of Sample Means.

Introduction to Hypothesis Testing.

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