In a survey, 31 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of
$41
and standard deviation of
$11
. Construct a confidence interval at a
99%
confidence level. Give your answers to one decimal place.
◻

+-

◻
Interpret your confidence interval in the context of this problem.
◻

Question

In a survey, 31 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of

$41

and standard deviation of

$11

. Construct a confidence interval at a

99%

confidence level. Give your answers to one decimal place.

◻

+-

◻

Interpret your confidence interval in the context of this problem.

◻

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