Algebra 2 Unit 9 - Lesson 1 - Mean, Variance, and Standard Deviation
The ___ is the absolute value of the difference between the member and the mean of the data in a set of numerical data.
deviation
Graph
f(x)x^1/3
3-4i 2+3i
-6/13-17/13i
Calculate the variance of the set of data to two decimal places. (Use ox to three decimal places to calculate variance if you use a calculator.) 2,4,6,8,10,12
11.67
Calculate the standard deviation of the set of data to two decimal places. You may use a calculator or calculate by hand. 82,84,86,88,90,92
3.42
Calculate the standard deviation of the set of data to two decimal places. You may use a calculator or calculate by hand. 2,2,2,12,12,12
5
Calculate the mean of the set of data. 2,2,2,12,12,12
7
Calculate the mean of the set of data. 2,4,6,8,10,12
7
Calculate the mean of the set of data. 82,84,86,88,90,92
87
The ___ deviation is the square root of the variance in a set of numerical data.
standard
Calculate the variance of the set of data to two decimal places. (Use ox to three decimal places to calculate variance if you use a calculator.) 82,84,86,88,90,92
11.67
Calculate the variance of the set of data to two decimal places. (Use ox to three decimal places to calculate variance if you use a calculator.) 2,2,2,12,12,12
25
x+y=-4 x-y=10
3,-7
Calculate the standard deviation of the set of data to two decimal places. You may use a calculator or calculate by hand. 2,4,6,8,10,12
3.42
The ___ is the average value of a set of numerical data, found by adding all the values and dividing by the number of elements in the set.
mean
The ___ is the average of the sum of the squared differences of the mean from each element in a set of numerical data.
variance
