ASSIGNMENTS COURSES
Assignment - 11. Planning with Measures of Variations
Attempt 1 of 2
SECTION 2 of 2
QUESTION 3 of 7
Complete the chart to find the mean, variance, and standard deviation. Remember to use commas and round numbers
to the nearest tenth.
х
Х
X-X
(-X²
1.45
= -357.5 =
The mean is
2.340
-62.5
=
The variance is
3.400
-2.5
The standard deviation is
4.825
- 422.5
n =
ΣΧ=
X=
E (X - x)2 = 310,225.2