In a survey, 15 people were asked how much they spent on their child's last birthday gift. The resultswere roughly bell-shaped with a mean of $32 and standard deviation of $14. Construct a confidenceinterval at a 80% confidence level.Give your answers to one decimal place.Interpret your confidence interval in the context of this problem.

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Description: In a survey, 15 people were asked how much they spent on their child's last birthday gift. The resultswere roughly bell-shaped with a mean of $32 and standard deviation of $14. Construct a confidenceinterval at a 80% confidence level.Give your answe

The sample mean is 32 and standard deviation is 14.

Answered: In a survey, 15 people were asked how…

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 22PFA

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In a survey, 15 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 $14. Construct a confidence
interval at a 80% confidence level.
Give your answers to one decimal place.
Interpret your confidence interval in the context of this problem.

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