SOLUTION: A sociologist wants to determine if the life expectancy of people in Africa is less than the life expectancy of people in Asia. The data obtained is shown in the table below.
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Question 323129: A sociologist wants to determine if the life expectancy of people in Africa is less than the life expectancy of people in Asia. The data obtained is shown in the table below.
Africa (1) Asia (2)
X 55.3 65.2
s 8.1 9.3
n 53 42
What is the null hypothesis? Use a = 0.05 .
A) H0:μ1 ³ μ 2 B) H0:μ1 = μ 2 C) H0:μ1 £ μ 2 D) H0:μ1 ¹ μ 2
I say the answer is B, because I have not seen a single null hypothesis that is anything but =. Is this correct...if not please explain the reasoning.
Thank You
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