Suppose an x distribution has mean μ = 3. Consider two corresponding x distributions, the first based on samples of size n = 49 and the second based on samples of size n = 81.
(a) What is the value of the mean of each of the two x distributions?
For n = 49, μx = ?
For n = 81, μx= ?
(b) For which x distribution is P(x > 3.75) smaller? Explain your answer.
a. The distribution with n = 81 because the standard deviation will be larger.
b. The distribution with n = 81 because the standard deviation will be smaller.
c. The distribution with n = 49 because the standard deviation will be smaller.
d. The distribution with n = 49 because the standard deviation will be larger.
(c) For which x distribution is P(2.25 < x < 3.75) greater? Explain your answer.
a. The distribution with n = 49 because the standard deviation will be larger.
b. The distribution with n = 81 because the standard deviation will be smaller.
c. The distribution with n = 81 because the standard deviation will be larger.
d. The distribution with n = 49 because the standard deviation will be smaller.
a) For n = 49, μx = 3
For n = 81, μx = 3
b) The distribution with n = 81 because the standard deviation will be smaller.
c) The distribution with n = 81 because the standard deviation will be smaller.
Suppose an x distribution has mean μ = 3. Consider two corresponding x distributions, the first...
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