Question

The following is data on the blood group of 36 patients in a hospital. Answer the questions below using R programming.

"O","A","B","O","A","A","A","O","O", "O","A","O","A","B","O","O","O","AB", "B","A","A","O","O","A","A","O","AB", "O","A","A","B","A","O","A","O","O"

a.) Conduct a hypothesis testing to test if the population proportion of blood type "B" is above 0.06. Find the p-value.

b.) Conduct a hypothesis testing to test if the population proportion of blood type "O" is below 0.5. Find the test statistic using function " prop.test " in R.

Answer 1

Blood Group	Count	Proportion
O	16	0.444444
A	14	0.388889
B	4	0.111111
AB	2	0.055556
Total	36	1

a)

b)

Prop.test is used to conduct a chi-square test for proportions. What we did above is the test for one proportion.