The mean length of lumber is supposed to be 8.5 feet. A builder wants to check wehther the shipment of lumber she receives has the correct length, so she conducts a hypothesis test. She measures 61 randomly selected pieces of lumber and finds they have a mean of 8.3 feet and a standard deviation 0.75. Use hypothesis testing to see if it’s justifiable to conclude the lumber length is different than 8.5 feet.
The mean length of lumber is supposed to be 8.5 feet. A builder wants to check wehther the shipment of lumber she receives has the correct length, so she conducts a hypothesis test. She measures 61 randomly selected pieces of lumber and finds they have a mean of 8.3 feet and a standard deviation 0.75. Use hypothesis testing to see if it’s justifiable to conclude the lumber length is different than 8.5 feet.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 1GP
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