Author Question: A data set has 60 observations with a minimum value equal to 30 and a maximum value equal to 72. The ... (Read 50 times)

genevieve1028 · **on:** Jun 24, 2018

A data set has 60 observations with a minimum value equal to 30 and a maximum value equal to 72. The estimated class width using the 2k > n rule to determine the number of classes is

A) 7.
B) 9.
C) 10.
D) 12.

Question 2

The area under the curve of the normal probability distribution is always equal to 1.0.

Indicate whether the statement is true or false