lunagismel
Answered

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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 $33 and a standard deviation of $16. Construct a confidence interval at a 98% confidence level.

Give your answers to one decimal place​

Sagot :

juhipatel

Answer:

The margin of error is 5. 00 

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