Question

The Following Table gives the sales for the Sasquatch Men's Shoe store:
Shoe Size , Frequency (number of pairs sold)
4 , 8
5 , 12
6 , 31
7 , 50
8 , 58
9 , 46
10 , 37
11 , 14
12 , 11

1)determine the mean for the distribution, correct to 2 decimal places.

2) Determine the standard deviation, correct to 2 decimal places .

3) set up the frequency graph for the data. does the distribution appear to be normal?

Answer 1

What don't you understand about these problems?

Answer 2

apply the formula for the given data.

Answer 3

to find the mean, would i go 4x8x5x12x6x31x7x50x8x58...... / 100 ?

Answer 4

No. Don't include the shoe size in the mean.

Add the frequencies. Divide the sum by 9 to find the mean.

Answer 5

267?
9
=29.666

Answer 6

Yes. Rounded to two decimal places its 29.67

Answer 7

Thank you, for this question? determine the standard deviation, correct to 2 decimal places.

Answer 8

Study this site to learn how to find the standard deviation.

http://www.mathsisfun.com/data/standard-deviation.html

Answer 9

is it 5.44 ?

Answer 10

Math is trash