Suppose that, based on a sample, the 95% confidence interval for the mean of a population is (25, 41). What was the mean of the
sample?
A.
31
B.
37
C.
33
D.
35
1 answer:
Answer:
C. 33
Step-by-step explanation:
Sample mean is right in the centre of the interval
Sample mean:
(25+41)/2
66/2
33
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