Question 2 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...

Question 2

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

                           O         A          B          AB            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           240

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.
d. What conclusion are you allowed to draw?
e. Would your conclusion change at the 10% level of significance?