In a survey, 32 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $49 and standard deviation of $7. Construct a confidence interval at a 98% confidence level. Please NOTE that the answer here has to be given in the form below sample mean +- margin of error, not the usual final answer bounds.
In a survey, 32 people were asked how much they spent on their child's last birthday gift. The results were roughly bell-shaped with a mean of $49 and standard deviation of $7. Construct a confidence interval at a 98% confidence level. Please NOTE that the answer here has to be given in the form below sample mean +- margin of error, not the usual final answer bounds.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 1GP
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