Asked by josh


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?
Answered by Ms. Sue
What don't you understand about these problems?

Answered by josh
apply the formula for the given data.
Answered by josh
to find the mean, would i go 4x8x5x12x6x31x7x50x8x58...... / 100 ?
Answered by Ms. Sue
No. Don't include the shoe size in the mean.

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

Answered by josh
267?
9
=29.666
Answered by Ms. Sue
Yes. Rounded to two decimal places its 29.67

Answered by josh
Thank you, for this question? determine the standard deviation, correct to 2 decimal places.
Answered by Ms. Sue
Study this site to learn how to find the standard deviation.

http://www.mathsisfun.com/data/standard-deviation.html
Answered by josh
is it 5.44 ?
Answered by Ralph Pinkert
Math is trash