Elementary Statistics and Frequency Distribution
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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.
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Solution Summary
Elementary statistics and frequency distribution for variance are determined.
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