# Elementary Statistics and Frequency Distribution

Find P25 for the following data: 2 6 3 4 2 1 2 0 1 3 6 3

You are given the following frequency distribution for the number of errors 10 students made in a test

Errors Frequency

0-2 14

3-5 13

6-8 11

9-11 8

12-14 9

Find: a. mean b. variance c. standard deviation.

You are given the following data.

x y

2 14

3 13

4 11

5 8

5 9

7 4

7 3

Find

a. SS(x)

b. SS(y)

c. SS(xy)

d. The linear correlation coefficient, r

e. The slope b1

f. The y-intercept, b0

g. The equation of the line of best fit.

https://brainmass.com/statistics/variance/elementary-statistics-frequency-distribution-177227

#### Solution Summary

Elementary statistics and frequency distribution for variance are determined.

$2.19