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Homework 6a Show your work 1. A claim by a weight loss company is that on average the client will lose 10 pounds over the 1st 2 weeks. 50 people who

Homework 6a

Show your work

1. A claim by a weight loss company is that on average the client will lose 10 pounds over the 1st 2 weeks. 50 people who join the program are sampled; their weight loss is 9 pounds with a standard deviation of 2.8 pounds. Can we conclude at the .05 level that a person joining the program will lose less than 10 pounds?

2. Which of the following is a two-tailed test?

a. test to see if women smoke cigarettes more than men

b. a test to see if creatine promotes weight loss

c. a test to see if the mean age of day students is 22 years old

d. a test to see if GPA of low income students is lower than high income students

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