In a survey, 23 people were asked how much they spent on their child's last birthday...

Transcribed Image Text:

In a survey, 23 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $32 and standard deviation of $11. Construct a confidence interval in the form estimate margin of error at a 99% confidence level. 25.5 38.5 Give your answers to one decimal place. In a survey, 23 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $32 and standard deviation of $11. Construct a confidence interval in the form estimate margin of error at a 99% confidence level. 25.5 38.5 Give your answers to one decimal place.