Using the wilcoxon signed ranks test to evaluate the data

Reference no: EM13622528

A study is conducted to determine whether sunshine affects depression. Eight individuals are given a questionnaire measuring depression immediately following a run of 10 consecutive days when the sun shone for over 80% of the daylight hours. The same individuals have their depression measured immediately following 10 consecutive days without any sunshine. The following data are collected. The higher the score the greater the depression.

Individuals	1	2	3	4	5	6	7	8
Sunshine	10	12	14	11	12	10	14	15
No Sunshine	20	21	17	14	18	8	18	14

1. Using the Wilcoxon signed ranks test to evaluate the data, with a = 0.052 tail, Tcrit =

a. 2

b. 5

c. ±3

d. 3

Reference no: EM13622528

Questions Cloud

Find 99 confidence interval for variance and st deviation : find 99 confidence interval for variance and st deviation of weights of 25 one gallon containers of motor oil ifa

A magazin reported that 6 of american drivers read the : a magazin reported that 6 of american drivers read the newspaper while driving. if 300 drivers ar selected find te

Can we safely conclude that the requirement that : in a sample of 7 cars each car was tested for nitrogen-oxide emmissions in grams per mile and the following results

Critical thinking lurking variables over the past 50 years : critical thinking lurking variables over the past 50 years there has been a strong negative correlation between average

Using the wilcoxon signed ranks test to evaluate the data : a study is conducted to determine whether sunshine affects depression. eight individuals are given a questionnaire

Two hundred single sport athletes were cross-classified : two hundred single sport athletes were cross-classified according to gender as

The number of misprints per page of text is commonly : the number of misprints per page of text is commonly modeled by a poisson distribution. it is given that the parameter

In order to test his feeling he gives his present class of : an english teacher has been teaching a sixth grade composition class for many years. he has the feeling that over the

Useless airways advertises that on average its new york to : useless airways advertises that on average its new york to london flight takes five hours and 30 minutes. the federal

User Account

All Pages