Question 1

Calculate the rank totals for each of the four groups described in problem 53 and complete the Kruskal-
Wallis to test the null hypothesis that there is no difference in mean weekly soft drink consumption
among the 4 corresponding treatment conditions for $$\alpha = 0.05$$ .

Accepted Answer

The answer of Calculate the rank totals for each of...

Question 2

The computations for the rank correlation coefficient for nonparametric data are simpler than those for
the ___________ coefficient and involve ranking each set of data. 
________________________________________

Accepted Answer

The answer of The computations for the rank correlation coefficient...

Question 3

The _______________ is used to test the value of a median for a specific sample. 
________________________________________

Accepted Answer

The answer of The _______________ is used to test the...

Question 4

A student wanted to see if the median number of Facebook friends is more than 200. For a random
sample of 42 people, 30 people had more than 200 friends while the rest had less than 200 friends. Find
the value of the test statistic.

Accepted Answer

The answer of A student wanted to see if the...

Question 5

A researcher believes that response time for rats is effected by a certain drug. He looks at 36 rats and
compares their response times before and after taking the drug. The sum of positive ranks (before - after)
is 266 and negative ranks 400. Find the value of the test statistic.

Accepted Answer

The answer of A researcher believes that response time for...

Question 6

For a random sample of 60, if 45 values are below the median and the rest are above. Find the value of
the test statistic.

Accepted Answer

The answer of For a random sample of 60, if...

Question 7

In the Wilcoxon tests, if the _______________ is

Accepted Answer

The answer of In the Wilcoxon tests, if the _______________...

Question 8

An instructor divided her class into four groups and asked them to keep track of the number of soft
drinks they consume per week. In preparation for using the Kruskal-Wallis test to test if there is a
significant difference in mean weekly consumption among the 4 groups, combine and rank the following

Accepted Answer

The answer of An instructor divided her class into four...

Question 9

A statistics teacher wanted to see whether students exit the classroom at random. He observes students
leaving in the order given below. How many runs are present? Test for randomness at $\alpha = 005$ .

Accepted Answer

The answer of A statistics teacher wanted to see whether...

Question 10

Men and women were randomly selected to rank eight television programs on a scale of 1 to 50 , with 50 being the highest score. Use the Spearman rank correlation coefficient at $\alpha = 0.05$ to determine if there is a difference in the rankings between men and women

Accepted Answer

The answer of Men and women were randomly selected to...

Question 11

A weight loss program measured 48 of their clients before entering the program and again after finishing
the program. The sum of positive ranks is 800 and negative ranks 376. Find the value of the test
statistic.

Accepted Answer

The answer of A weight loss program measured 48 of...

Quiz 12: Data Bank

Calculate the rank totals for each of the four groups described in problem 53 and complete the Kruskal- Wallis to test the null hypothesis that there is no difference in mean weekly soft drink consumption among the 4 corresponding treatment conditions for $\alpha = 0.05$ .

The computations for the rank correlation coefficient for nonparametric data are simpler than those for the _ coefficient and involve ranking each set of data. ______________________________

The _ is used to test the value of a median for a specific sample. __________________________

A student wanted to see if the median number of Facebook friends is more than 200. For a random sample of 42 people, 30 people had more than 200 friends while the rest had less than 200 friends. Find the value of the test statistic.

A researcher believes that response time for rats is effected by a certain drug. He looks at 36 rats and compares their response times before and after taking the drug. The sum of positive ranks (before - after) is 266 and negative ranks 400. Find the value of the test statistic.

For a random sample of 60, if 45 values are below the median and the rest are above. Find the value of the test statistic.

In the Wilcoxon tests, if the _______________ is

A statistics teacher wanted to see whether students exit the classroom at random. He observes students leaving in the order given below. How many runs are present? Test for randomness at $\alpha = 005$ .

A weight loss program measured 48 of their clients before entering the program and again after finishing the program. The sum of positive ranks is 800 and negative ranks 376. Find the value of the test statistic.

Quiz 12: Data Bank

Calculate the rank totals for each of the four groups described in problem 53 and complete the Kruskal- Wallis to test the null hypothesis that there is no difference in mean weekly soft drink consumption among the 4 corresponding treatment conditions for α=0.05\alpha = 0.05α=0.05 .

The computations for the rank correlation coefficient for nonparametric data are simpler than those for the ___________ coefficient and involve ranking each set of data. ________________________________________

The _______________ is used to test the value of a median for a specific sample. ________________________________________

A student wanted to see if the median number of Facebook friends is more than 200. For a random sample of 42 people, 30 people had more than 200 friends while the rest had less than 200 friends. Find the value of the test statistic.

A researcher believes that response time for rats is effected by a certain drug. He looks at 36 rats and compares their response times before and after taking the drug. The sum of positive ranks (before - after) is 266 and negative ranks 400. Find the value of the test statistic.

For a random sample of 60, if 45 values are below the median and the rest are above. Find the value of the test statistic.

In the Wilcoxon tests, if the _______________ is

A statistics teacher wanted to see whether students exit the classroom at random. He observes students leaving in the order given below. How many runs are present? Test for randomness at α=005\alpha = 005α=005 .

Men and women were randomly selected to rank eight television programs on a scale of 1 to 50 , with 50 being the highest score. Use the Spearman rank correlation coefficient at α=0.05\alpha = 0.05α=0.05 to determine if there is a difference in the rankings between men and women

A weight loss program measured 48 of their clients before entering the program and again after finishing the program. The sum of positive ranks is 800 and negative ranks 376. Find the value of the test statistic.

Calculate the rank totals for each of the four groups described in problem 53 and complete the Kruskal- Wallis to test the null hypothesis that there is no difference in mean weekly soft drink consumption among the 4 corresponding treatment conditions for $\alpha = 0.05$ .

The computations for the rank correlation coefficient for nonparametric data are simpler than those for the _ coefficient and involve ranking each set of data. ______________________________

The _ is used to test the value of a median for a specific sample. __________________________

A statistics teacher wanted to see whether students exit the classroom at random. He observes students leaving in the order given below. How many runs are present? Test for randomness at $\alpha = 005$ .