If a store manager selected a sample of customers and computed ...

[charchew]

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

[kaillie]

Answer to Question 1

B

Answer to Question 2

T

[charchew]

TYSM

[Zebsrer]

Thanks for the timely response, appreciate it