Question
A newspaper article claims that the average age for people on food stamps is 40 years. You believe that the average age is less than
A newspaper article claims that the average age for people on food stamps is 40 years. You believe that the average age is less than that. You take a random sample of 40 people who receive food stamps, and find their average age to be 39.2 years, with a standard deviation of 5.2 years.Test your claim at the 0.05 level of significance.
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Discrete Mathematics and Its Applications
Authors: Kenneth H. Rosen
7th edition
0073383090, 978-0073383095
