Author Question: If a store manager selected a sample of customers and computed the mean income for this sample, he ... (Read 92 times)

charchew · **on:** Jul 24, 2018

If a store manager selected a sample of customers and computed the mean income for this sample, he has computed:
a. a parameter
b. a statistic
c. a qualitative value
d. all of these
e. none of these

Question 2

The Student's t-distributions have an approximately normal distribution but are more dispersed than the standard normal distribution.
Indicate whether the statement is true or false