Question

Calculate a p-value for the chi-squared goodness-of-fit test of the null hypothesis that people with rheumatoid arthritis (RA) are equally distributed between mild, moderate, and severe disease using a random sample of 90 RA patients of which 35 are mild, 30 are moderate, and 25 are severe. a. 0.435 b. 0.025 c. 0.172

Name: calculate a p value for the chi squared goodness of fit test of the null hypothesis that people with rheumatoid arthritis ra are equally distributed between mild moderate and severe disease 16218
Uploaded: 2023-08-30T00:49:51-08:00
Duration: 1 min 4 s
Channel: Dominador Tan
Description: calculate a p value for the chi squared goodness of fit test of the null hypothesis that people with rheumatoid arthritis ra are equally distributed between mild moderate and severe disease 16218

          Calculate a p-value for the chi-squared goodness-of-fit test of the null hypothesis that people with rheumatoid arthritis (RA) are equally distributed between mild, moderate, and severe disease using a random sample of 90 RA patients of which 35 are mild, 30 are moderate, and 25 are severe.  
a.
0.435
b.
0.025
c.
0.172

Added by Robert W.

Elementary Statistics a Step by Step Approach

Allan G. Bluman 9th Edition

Instant Answer

Solved by Expert Dominador Tan

08/30/2023

Step 1

Under the null hypothesis that people with rheumatoid arthritis (RA) are equally distributed between mild, moderate, and severe disease, we expect an equal number of patients in each category. Since there are 90 patients in total, the expected frequency for each Show more…

Show all steps

Thanks for your feedback!

Calculate a p-value for the chi-squared goodness-of-fit test of the null hypothesis that people with rheumatoid arthritis (RA) are equally distributed between mild, moderate, and severe disease using a random sample of 90 RA patients of which 35 are mild, 30 are moderate, and 25 are severe. a. 0.435 b. 0.025 c. 0.172