Lifetimes of Wristwatches A random sample of the lifetimes of 20 inexpensive wristwatches has a standard deviation of 3.9 months. Assume the variable is normally distributed. Use the chi-square distribution table to find any chi-square values to three decimal places. Round your final answers to one decimal place. Do you feel that lifetimes arerelatively consistent? Yes or no
Lifetimes of Wristwatches A random sample of the lifetimes of 20 inexpensive wristwatches has a standard deviation of 3.9 months. Assume the variable is normally distributed. Use the chi-square distribution table to find any chi-square values to three decimal places. Round your final answers to one decimal place. Do you feel that lifetimes arerelatively consistent? Yes or no
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section: Chapter Questions
Problem 11PT
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Lifetimes of Wristwatches A random sample of the lifetimes of 20 inexpensive wristwatches has a standard deviation of 3.9 months. Assume the variable is normally distributed . Use the chi-square distribution table to find any chi-square values to three decimal places. Round your final answers to one decimal place.
Do you feel that lifetimes arerelatively consistent? Yes or no
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