x DVC Course Modules: 5013 - Intro X DVC 50 x M 19.2 Homework Sign in StatCrunch G https://www.myopenmath.com/assess2/?cid=242003&aid=17010462#/skip/8 19.2 Homework Score: 7/32 Answered: 7/13 Question 8 In a survey, 13 randomly selected people were asked how much they spent on their child's last birthday gift. The individual values were roughly bell-shaped with a mean of $39 and standard deviation of $12. Construct a confidence interval at a 95% confidence level, for the average amount spent by all parents. Give your answers to one decimal place, in the form: Best estimate + Margin of Error Question Help: Message instructor Submit Question 65'F Sunny Q Search LG Sign in StatCrunch x M 192 Homework x DVC Course Modules (@ https://www.myopenmath.com/assess2/?cid=242003&aid=17010462#/skip/8 19.2 Homework Score: 7/32 Answered: 7/13 Question 8 In a survey, 13 randomly selected people were asked how much they spent on their child's last birthday gift. The individual values were roughly bell-shaped with a mean of $39 and standard deviation of $12. Construct a confidence interval at a 95% confidence level, for the average amount spent by all parents. Give your answers to one decimal place, in the form: Best estimate : Margin of Error Question Help: Message instructor Submit