a. State both the null and alternative hypotheses. b. Provide the decision rule for making this decision. Use an alpha level of 5%. c. Show all of the work necessary to calculate the appropriate statistic.
a. State both the null and alternative hypotheses. b. Provide the decision rule for making this decision. Use an alpha level of 5%. c. Show all of the work necessary to calculate the appropriate statistic.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Question

Transcribed Image Text:A researcher was interested in studying if there is a significant relationship between the severity
of COVID 19 and blood types of individuals. 2400 individuals were studied and the results are
shown below.
Condition
Blood Type
A
В
АВ
Total
Critical
64
44
20
8
136
Severe
175
129
50
15
369
Moderate
211
528
151
125
1015
Mild
200
400
140
140
880
Total
650
1101
361
288
2400
State both the null and alternative hypotheses.
b. Provide the decision rule for making this decision. Use an alpha level of 5%.
c. Show all of the work necessary to calculate the appropriate statistic.
d. What conclusion are you allowed to draw?
Would your conclusion change at the 10% level of significance?
f. Confirm test results in part (c) using JASP.
а.
е.
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