A survey of 225 students showed the mean
number of hours spent studying per week was
20.6 and...
Mathematics, 17.07.2021 07:00 zel117
A survey of 225 students showed the mean
number of hours spent studying per week was
20.6 and the standard deviation was 2.7
Which of the following gives the confidence
interval?
between 0.07 and 0.13
0 between 2.4 and 3.1
O between 20.3 and 20.9
h
Answers: 1
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