Question 1

What value(s)are specified by the null hypothesis in a binomial test?​

Accepted Answer

A) ​the value for X 
B) ​the value for X/n 
C) ​the value for p 
D) ​the value for pn 
A) ​the value for X 
B) ​the value for X/n 
C) ​the value for p 
D) ​the value for pn

Question 2

​For a binomial distribution with p = 0.10 and n = 100,what is the range of possible values for X?

Accepted Answer

A) ​0 to 1 
B) ​0 to 100 
C) ​1 to 100 
D) ​0.01 to 0.09 
A) ​0 to 1 
B) ​0 to 100 
C) ​1 to 100 
D) ​0.01 to 0.09

Question 3

In a binomial hypothesis test,the value for X must always be a whole number (not a fraction or decimal value).​

Accepted Answer

A) True 
 B)False

Question 4

A new face cream advertises that 9 out of 10 people will see a noticeable improvement in their skin after only 30 days of using the product.To test this claim,a researcher selects a sample of n = 100 women between the ages of 40 and 50.Each woman uses the product for 30 days and reports the result.If there are 85 women who report improved skin and 15 who report no improvement,are the data sufficient to refute the manufacturer's claim? Use a two-tailed test with a = .05.​

Accepted Answer

The null hypothesis states p = 9/10.With

Question 5

For a two-tailed binomial test with n = 100,a = .05,and a null hypothesis stating that p = 0.10,a score of X = 13 would be sufficient to reject the null hypothesis.

Accepted Answer

A) True 
 B)False

Question 6

What is the standard deviation for the normal approximation to the binomial distribution with p = 1/2 and n = 400?​

Accepted Answer

A) ​200 
B) ​100 
C) ​25 
D) ​10 
A) ​200 
B) ​100 
C) ​25 
D) ​10

Question 7

On a multiple-choice exam for which each question has four possible answers,the probability of guessing the correct answer is p = 1/4.What is the mean of the binomial distribution for the number of correct guesses for a series of 100 questions?​

Accepted Answer

A) ​5 
B) ​25 
C) ​10 
D) ​50 
A) ​5 
B) ​25 
C) ​10 
D) ​50

Question 8

The binomial distribution with p = 1/4 has a standard deviation of 3.For this distribution,there are n = 36 scores in the sample.​

Accepted Answer

A) True 
 B)False

Question 9

The binomial distribution with p = .10 has a mean of m = 10.For this distribution,there are n = 100 scores in the sample.​

Accepted Answer

A) True 
 B)False

Question 10

If sample data are suitable for evaluation with a binomial test,what other test could also be used for the same data?​

Accepted Answer

A) ​an analysis of variance 
B) ​a test comparing two population means 
C) ​the chi square test for goodness of fit 
D) ​the Pearson correlation 
A) ​an analysis of variance 
B) ​a test comparing two population means 
C) ​the chi square test for goodness of fit 
D) ​the Pearson correlation

Question 11

Binomial data exist whenever a measurement procedure classifies individuals into exactly two distinct categories.​

Accepted Answer

A) True 
 B)False

Question 12

For a binomial distribution with p = 0.10 and n = 100,what is the z-score for X = 16?​

Accepted Answer

A) ​1/3 = 0.33 
B) ​2/3 = 0.66 
C) ​1.00 
D) ​2.00 
A) ​1/3 = 0.33 
B) ​2/3 = 0.66 
C) ​1.00 
D) ​2.00

Question 13

​Which of the following is true for any binomial test?

Accepted Answer

A) ​p = q 
B) ​p > q 
C) ​(p)(q) = 1.00 
D) ​p + q = 1.00 
A) ​p = q 
B) ​p > q 
C) ​(p)(q) = 1.00 
D) ​p + q = 1.00

Question 14

It would not be appropriate to use a binomial test with p = 0.80 and n = 50​

Accepted Answer

A) True 
 B)False

Question 15

If a binomial distribution has p = .30,then what is the value for q?​

Accepted Answer

A) ​.30 
B) ​.50 
C) ​.70 
D) ​1.30 
A) ​.30 
B) ​.50 
C) ​.70 
D) ​1.30

Question 16

In a sign test,dividing the zero differences evenly between the two groups will increase the likelihood of rejecting the null hypothesis.​

Accepted Answer

A) True 
 B)False

Question 17

The normal approximation is appropriate for binomial data with n = 36 and p = 0.80.​

Accepted Answer

A) True 
 B)False

Question 18

A researcher obtains z = 3.00 for a binomial test.If a chi-square test for goodness of fit had been used instead of the binomial test,what value would be obtained for chi-square?​

Accepted Answer

A) ​3 
B) ​6 
C) ​9 
D) ​1/3 
A) ​3 
B) ​6 
C) ​9 
D) ​1/3

Question 19

Which of the following is the mean for a binomial distribution?​

Accepted Answer

A) ​npq 
B) ​pn 
C) ​pq 
D) ​pnq 
A) ​npq 
B) ​pn 
C) ​pq 
D) ​pnq

Question 20

For the normal approximation to the binomial distribution with p = 1/2 and n = 100,what is the z-score corresponding to X = 60?​

Accepted Answer

A) ​z = 0.4 
B) ​z = 2.0 
C) ​z = 0.2 
D) ​z = 1.0 
A) ​z = 0.4 
B) ​z = 2.0 
C) ​z = 0.2 
D) ​z = 1.0

What value(s)are specified by the null hypothesis in a binomial test?

For a binomial distribution with p = 0.10 and n = 100,what is the range of possible values for X?

In a binomial hypothesis test,the value for X must always be a whole number (not a fraction or decimal value).

For a two-tailed binomial test with n = 100,a = .05,and a null hypothesis stating that p = 0.10,a score of X = 13 would be sufficient to reject the null hypothesis.

What is the standard deviation for the normal approximation to the binomial distribution with p = 1/2 and n = 400?

On a multiple-choice exam for which each question has four possible answers,the probability of guessing the correct answer is p = 1/4.What is the mean of the binomial distribution for the number of correct guesses for a series of 100 questions?

The binomial distribution with p = 1/4 has a standard deviation of 3.For this distribution,there are n = 36 scores in the sample.

The binomial distribution with p = .10 has a mean of m = 10.For this distribution,there are n = 100 scores in the sample.

If sample data are suitable for evaluation with a binomial test,what other test could also be used for the same data?

Binomial data exist whenever a measurement procedure classifies individuals into exactly two distinct categories.

For a binomial distribution with p = 0.10 and n = 100,what is the z-score for X = 16?

Which of the following is true for any binomial test?

It would not be appropriate to use a binomial test with p = 0.80 and n = 50

If a binomial distribution has p = .30,then what is the value for q?

In a sign test,dividing the zero differences evenly between the two groups will increase the likelihood of rejecting the null hypothesis.

The normal approximation is appropriate for binomial data with n = 36 and p = 0.80.

A researcher obtains z = 3.00 for a binomial test.If a chi-square test for goodness of fit had been used instead of the binomial test,what value would be obtained for chi-square?

Which of the following is the mean for a binomial distribution?

For the normal approximation to the binomial distribution with p = 1/2 and n = 100,what is the z-score corresponding to X = 60?

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

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 Analysis of Variance Anova

Two-Factor Analysis of Variance Independent Measures

Correlation

Introduction to Regression

The Chi-Square Statistic: Tests for Goodness of Fit and Independence

Filters

Exam 18: The Binomial Test

What value(s)are specified by the null hypothesis in a binomial test?​

​For a binomial distribution with p = 0.10 and n = 100,what is the range of possible values for X?

In a binomial hypothesis test,the value for X must always be a whole number (not a fraction or decimal value).​

For a two-tailed binomial test with n = 100,a = .05,and a null hypothesis stating that p = 0.10,a score of X = 13 would be sufficient to reject the null hypothesis.

What is the standard deviation for the normal approximation to the binomial distribution with p = 1/2 and n = 400?​

On a multiple-choice exam for which each question has four possible answers,the probability of guessing the correct answer is p = 1/4.What is the mean of the binomial distribution for the number of correct guesses for a series of 100 questions?​

The binomial distribution with p = 1/4 has a standard deviation of 3.For this distribution,there are n = 36 scores in the sample.​

The binomial distribution with p = .10 has a mean of m = 10.For this distribution,there are n = 100 scores in the sample.​

If sample data are suitable for evaluation with a binomial test,what other test could also be used for the same data?​

Binomial data exist whenever a measurement procedure classifies individuals into exactly two distinct categories.​

For a binomial distribution with p = 0.10 and n = 100,what is the z-score for X = 16?​

​Which of the following is true for any binomial test?

It would not be appropriate to use a binomial test with p = 0.80 and n = 50​

If a binomial distribution has p = .30,then what is the value for q?​

In a sign test,dividing the zero differences evenly between the two groups will increase the likelihood of rejecting the null hypothesis.​

The normal approximation is appropriate for binomial data with n = 36 and p = 0.80.​

A researcher obtains z = 3.00 for a binomial test.If a chi-square test for goodness of fit had been used instead of the binomial test,what value would be obtained for chi-square?​

Which of the following is the mean for a binomial distribution?​

For the normal approximation to the binomial distribution with p = 1/2 and n = 100,what is the z-score corresponding to X = 60?​

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

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 Analysis of Variance Anova

Two-Factor Analysis of Variance Independent Measures

Correlation

Introduction to Regression

The Chi-Square Statistic: Tests for Goodness of Fit and Independence

Filters

What value(s)are specified by the null hypothesis in a binomial test?

For a binomial distribution with p = 0.10 and n = 100,what is the range of possible values for X?

In a binomial hypothesis test,the value for X must always be a whole number (not a fraction or decimal value).

What is the standard deviation for the normal approximation to the binomial distribution with p = 1/2 and n = 400?

On a multiple-choice exam for which each question has four possible answers,the probability of guessing the correct answer is p = 1/4.What is the mean of the binomial distribution for the number of correct guesses for a series of 100 questions?

The binomial distribution with p = 1/4 has a standard deviation of 3.For this distribution,there are n = 36 scores in the sample.

The binomial distribution with p = .10 has a mean of m = 10.For this distribution,there are n = 100 scores in the sample.

If sample data are suitable for evaluation with a binomial test,what other test could also be used for the same data?

Binomial data exist whenever a measurement procedure classifies individuals into exactly two distinct categories.

For a binomial distribution with p = 0.10 and n = 100,what is the z-score for X = 16?

Which of the following is true for any binomial test?

It would not be appropriate to use a binomial test with p = 0.80 and n = 50

If a binomial distribution has p = .30,then what is the value for q?

In a sign test,dividing the zero differences evenly between the two groups will increase the likelihood of rejecting the null hypothesis.

The normal approximation is appropriate for binomial data with n = 36 and p = 0.80.

A researcher obtains z = 3.00 for a binomial test.If a chi-square test for goodness of fit had been used instead of the binomial test,what value would be obtained for chi-square?

Which of the following is the mean for a binomial distribution?

For the normal approximation to the binomial distribution with p = 1/2 and n = 100,what is the z-score corresponding to X = 60?