Question

Problem 1. (30 points) The percentage of cotton in material used to manufacture men's shirts follows. 1. Construct a Stem-and-Leaf Diagram (10 points) 2. Construct a frequency distribution step-by-step (10 points). 3. Construct a histogram step-by-step (10 points). 34.2 37.8 33.6 32.6 33.8 35.8 34.7 34.6 33.1 36.6 34.7 33.1 34.2 37.6 33.6 33.6 34.5 35.4 35.0 34.6 33.4 37.3 32.5 34.1 35.6 34.6 35.4 35.9 34.7 34.6 34.1 34.7 36.3 33.8 36.2 34.7 34.6 35.5 35.1 35.7 35.1 37.1 36.8 33.6 35.2 32.8 36.8 36.8 34.7 34.0 35.1 32.9 35.0 32.1 37.9 34.3 33.6 34.1 35.3 33.5 34.9 34.5 36.4 32.7

Answer 1

Stem          Leaf

3               2 2 2 2 2 2 3 3 3 3 3 3 3 3 3 3 3

                 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4 4

                 4 4 4 4 5 5 5 5 5 5 5 5 5 5 5 5 5

                 5 6 6 6 6 6 6 6 7 7 7 7 7

Basic Statistics:

Minimum:32.1

Maximum:37.9

Count:64

Sum:2227.1

Mean:34.8

Median:34.7

Mode:34.7

Standard Deviation:1.364

Variance:1.861