14. A researcher claimed that for people that chew gum, the average number of sticks of gum chewed daily was greater than 8. To test the claim, she selected a random sample of 36 gum chewers and found the mean number of sticks of gum chewed per day was 9. The standard deviation of the population is 1. At a = 0.05, conduct all steps of a hypothesis test to test the researcher's claim.
14. A researcher claimed that for people that chew gum, the average number of sticks of gum chewed daily was greater than 8. To test the claim, she selected a random sample of 36 gum chewers and found the mean number of sticks of gum chewed per day was 9. The standard deviation of the population is 1. At a = 0.05, conduct all steps of a hypothesis test to test the researcher's claim.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:are better): Shooting a 75 in Tournament A where the mean score is 73 and the standard deviation is
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14. A researcher claimed that for people that chew gum, the average number of sticks of gum chewed
daily was greater than 8. To test the claim, she selected a random sample of 36 gum chewers and
found the mean number of sticks of gum chewed per day was 9. The standard deviation of the
population is 1. At a = 0.05, conduct all steps of a hypothesis test to test the researcher's claim.
15. A Harris Poll found that 35% of people said that they drink a caffeinated beverage to combat midday
drowsiness. A recent survey found that 19 out of 48 randomly selected people stated that they
drank a caffeinated beverage to combat midday drowsiness. At a = 0.02, conduct all steps of a
bynothe
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