1)The following is an incomplete simple frequency distribution table for the number of mistakes made during a series of military combat readiness training exercises.

Number of Mistakes Frequency

8-A 3

B-7 5

0-3 C

N=18

Find the missing values for A, B, and C.

A =

B =

C =

2)Organize the following data into a stem-and-leaf display where the following is true. (Enter numbers from smallest to largest separated by spaces. Enter NONE for stems with no values.)

184,189,188,241,122,186,123,249,240,127

126,242,123,247,244,246,129,189,184,180

(a) theleafhas one digit

Stem Leaf

12

18

24

(b) thestemhas one digit

Stem Leaf

1

2

3)Below is the number of hand-washing episodes 20 patients with obsessive-compulsive disorder reported having the previous day.

12,11,8,14,10,5,9,9,18,16,

21,22,3,12,22,17,19,6,6,7

(a) Using a simple frequency distribution for these grouped data with four intervals.

Interval Frequency

18-22

13-17

8-12

3-7

(b) Which interval had the largest frequency?

-Interval: 18-22

-Interval: 13-17

-Interval: 8-12

-Interval: 3-7