Algebra 2 Unit 9 - Lesson 1 - Mean, Variance, and Standard Deviation

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

3-4i 2+3i

-6/13-17/13i

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.) 2,4,6,8,10,12

11.67

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

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

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

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

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


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