In: Statistics and Probability
Laura is testing to see if college students are more stressed
out than the normal person is. The mean stress level of the average
person is 50 with a known standard deviation of 10. Joseph is going
a two-tailed test with α = .10. The null hypothesis is μ = 50. What
precisely is μ the mean of?
Please choose the correct answer.
a.) The mean stress level of college students.
b.) The mean stress level of all people.
c.) The mean stress level of the 50 people in the sample.