Question 1

Power increases with _________.

Accepted Answer

A)  increasing N 
B)  increasing magnitude of the effect of the independent variable 
C)  increasing a level 
D)  the magnitude of the difference between µ real and µ null 
E)  all of these 
A)  increasing N 
B)  increasing magnitude of the effect of the independent variable 
C)  increasing a level 
D)  the magnitude of the difference between µ real and µ null 
E)  all of these

Question 2

The critical value of a statistic is the value of the statistic that bounds the critical region for rejection of H 0 .

Accepted Answer

A) True 
 B)False

Question 3

Increasing N increases the real effect of the independent variable.

Accepted Answer

A) True 
 B)False

Question 4

A sampling distribution is based on the assumption that the independent variable has an effect on the dependent variable.

Accepted Answer

A) True 
 B)False

Question 5

The z test does not depend on the shape of the sampling distribution of   .

Accepted Answer

A) True 
 B)False

Question 6

A normally distributed set of population scores has a mean of 65 and a standard deviation of 10.2. The mean, of the sampling distribution of the mean, for samples of size 48 equals _________.

Accepted Answer

A)  1.35 
B)  60 
C)  65 
D)  none of these 
A)  1.35 
B)  60 
C)  65 
D)  none of these

Question 7

The symbol for the mean of the sampling distribution of the mean is   .

Accepted Answer

A) True 
 B)False

Question 8

What is the value of for the following values of ?

Accepted Answer

The answer of What is the value of for the...

Question 9

For the sampling distribution of the mean,   .

Accepted Answer

A) True 
 B)False

Question 10

Power + Beta = 1.

Accepted Answer

A) True 
 B)False

Question 11

List all the possible values of   for samples of size N = 2 taken from the population of scores 0, 1, 2 (with replacement).

Accepted Answer

The answer of List all the possible values of ...

Question 12

Could the following sample reasonably have been drawn from a normal population with a mean of 20 and standard deviation of 1.5 using a = 0.01 2 tail ? X : 21, 21, 21, 20, 22, 20, 22?

Accepted Answer

A)  yes 
B)  no 
C)  cannot be tested with z test 
D)  The correct answer cannot be determined from the information provided. 
A)  yes 
B)  no 
C)  cannot be tested with z test 
D)  The correct answer cannot be determined from the information provided.

Question 13

The mean attention span for adults in a certain village is 15 minutes with a standard deviation of 6.4. If the means of all possible samples of size 30 is taken from this population,   will equal _________.

Accepted Answer

A)  3.0 
B)  6.4 
C)  0.21 
D)  1.17 
A)  3.0 
B)  6.4 
C)  0.21 
D)  1.17

Question 14

Assuming that the population mean is 47.2 and the population deviation is 6.4, what is the z obt value for a sample mean of 52.1 if N = 8?

Accepted Answer

A)  1.96 
B)  2.17 
C)  1.73 
D)  0.77 
A)  1.96 
B)  2.17 
C)  1.73 
D)  0.77

Question 15

Define critical value(s) of a statistic.

Accepted Answer

Critical values of a statistic are speci

Power increases with _________.

The critical value of a statistic is the value of the statistic that bounds the critical region for rejection of H 0 .

Increasing N increases the real effect of the independent variable.

A sampling distribution is based on the assumption that the independent variable has an effect on the dependent variable.

The z test does not depend on the shape of the sampling distribution of .

A normally distributed set of population scores has a mean of 65 and a standard deviation of 10.2. The mean, of the sampling distribution of the mean, for samples of size 48 equals _________.

The symbol for the mean of the sampling distribution of the mean is .

What is the value of for the following values of ?

For the sampling distribution of the mean, .

Power + Beta = 1.

List all the possible values of for samples of size N = 2 taken from the population of scores 0, 1, 2 (with replacement).

Could the following sample reasonably have been drawn from a normal population with a mean of 20 and standard deviation of 1.5 using a = 0.01 2 tail ? X : 21, 21, 21, 20, 22, 20, 22?

The mean attention span for adults in a certain village is 15 minutes with a standard deviation of 6.4. If the means of all possible samples of size 30 is taken from this population, will equal _________.

Assuming that the population mean is 47.2 and the population deviation is 6.4, what is the z obt value for a sample mean of 52.1 if N = 8?

Define critical value(s) of a statistic.

Statistics and Scientific Method

Basic Mathematical and Measurement Concepts

Frequency Distributions

Measures of Central Tendency and Variability

The Normal Curve and Standard Scores

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Introduction to Hypothesis Testing: Using the Sign Test

Power

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Analysis of Variance

Introduction to the Two-Way Analysis of Variance

Chi-Square and Other Nonparametric Tests

Filters

Exam 12: Sampling Distributions, Sampling Distribution of the Mean: the Normal Deviate Z Test

Power increases with _________.

The critical value of a statistic is the value of the statistic that bounds the critical region for rejection of H 0 .

Increasing N increases the real effect of the independent variable.

A sampling distribution is based on the assumption that the independent variable has an effect on the dependent variable.

The z test does not depend on the shape of the sampling distribution of .

A normally distributed set of population scores has a mean of 65 and a standard deviation of 10.2. The mean, of the sampling distribution of the mean, for samples of size 48 equals _________.

The symbol for the mean of the sampling distribution of the mean is .

What is the value of for the following values of ?

For the sampling distribution of the mean, .

Power + Beta = 1.

List all the possible values of for samples of size N = 2 taken from the population of scores 0, 1, 2 (with replacement).

Could the following sample reasonably have been drawn from a normal population with a mean of 20 and standard deviation of 1.5 using a = 0.01 2 tail ? X : 21, 21, 21, 20, 22, 20, 22?

The mean attention span for adults in a certain village is 15 minutes with a standard deviation of 6.4. If the means of all possible samples of size 30 is taken from this population, will equal _________.

Assuming that the population mean is 47.2 and the population deviation is 6.4, what is the z obt value for a sample mean of 52.1 if N = 8?

Define critical value(s) of a statistic.

Statistics and Scientific Method

Basic Mathematical and Measurement Concepts

Frequency Distributions

Measures of Central Tendency and Variability

The Normal Curve and Standard Scores

Correlation

Linear Regression

Random Sampling and Probability

Binomial Distribution

Introduction to Hypothesis Testing: Using the Sign Test

Power

Students T Test for Single Samples

Students T Test for Correlated and Independent Groups

Introduction to the Analysis of Variance

Introduction to the Two-Way Analysis of Variance

Chi-Square and Other Nonparametric Tests

Filters