Question
A survey of several 9 to 11 year olds recorded the following amounts spent on a trip to the mall: $24.73,$24.85,$22.86,$23.81,$21.31,$17.40 Construct the 80% confidence
A survey of several 9 to 11 year olds recorded the following amounts spent on a trip to the mall:
$24.73,$24.85,$22.86,$23.81,$21.31,$17.40 Construct the 80% confidence interval for the average amount spent by 9 to 11 year olds on a trip to the mall. Assume the population is approximately normal.
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Elementary Algebra
Authors: Jerome E Kaufmann, Rosemary Karr, Karen L Schwitters, Marilyn Massey, R David Gustafson
10th Edition
1305161769, 9781305161764
