Solution:
Question 27)
Read the claim.
Two tailed test.
= 0.10
/2 = 0.05
df = n - 1 = 22 - 1 = 21
= t0.05 , 21 = 1.7207
Answer : 1.7207
Question 28)
When p value is less than the significance level , we reject the null hypothesis.
So , to reject the null , we select larger level of significance level.
Answer : 0.10
Question 27 1 pts A 2019 advertisement for the Philadelphia Phillies professional U.S. baseball team claimed...