Given the two independent samples below, conduct a hypothesis test for the desired scenario. Assume all populations are approximately normally distributed.
Sample 1
Sample 2
n1= 882
n2= 807
x¯1= 399
x¯2= 429
s1= 157
s2= 165
Test the claim:
Given the null and alternative hypotheses below, conduct a hypothesis test for α=0.01.
H0: μ1=μ2
Ha: μ1<μ2
Given the alternative hypothesis, the test is
Select an answer
left-tailed
right-tailed
two-tailed
Determine the test statistic. Round to four decimal places.
t=
Find the p-value. Round to 4 decimals.
p-value =
Make a decision.
Reject the null hypothesis.
Fail to reject the null hypothesis.