Gia S.

asked • 11/05/22

STAT homework help

In a survey, 28 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $38 and standard deviation of $4. Find the margin of error at a 80% confidence level.


Give your answer to two decimal places.

1 Expert Answer

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Gabrielle M. answered • 11/07/22

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