In a survey, 23 people were asked how much they spent on

Last updated: 7/15/2022

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 $30 and standard deviation of $8. Construct a confidence interval at a 90% confidence level. Give your answers to one decimal place. Interpret your confidence interval in the context of this problem.