Practice Problems: Dispersion
October 22, 2008 by kltangen
Filed under Dispersion, Practice Problems
Item 1
Calculate the range of the following scores:
19
15
8
5
5
2
High Score _____
Low Score _____
Range _____
Item 2
Calculate the range and SS of the following scores:
11
9
8
7
5
7
High Score _____
Low Score _____
SumX _____
SumX2 _____
(SumX)2 _____
N _____
SS _____
variance _____
Item 3
Calculate the variance of the following population:
18
9
7
5
4
2
SumX _____
SumX2 _____
(SumX)2 _____
N _____
SS _____
variance _____
Item 4
Calculate the SS, variance and stdev of the following population:
3
18
9
6
10
6
4
SumX _____
SumX2 _____
(SumX)2 _____
N _____
SS _____
variance _____
Item 5
Calculate the range, SS, variance and stdev of the following sample:
12
3
9
5
5
5
7
11
14
– 1
Range _____
N _____
SS _____
variance _____
NOW YOU CHOOSE:
Day 3: Dispersion
A Bit More About Dispersion
Even More About Dispersion
Range
MAD
Sum of Squares
Variance
Standard Deviation
How To Calculate
Range
MAD
Sum of Squares
Variance
Standard Deviation
Formulas For Dispersion
Practice Problems
More Practice Problems
Basic Facts About Dispersion
Vocabulary
Quiz 3
Summary
More Practice Problems: Dispersion
October 22, 2008 by kltangen
Filed under Dispersion, Practice Problems
Item 6
Calculate the SS of the following scores:
2
2
2
5
5
5
7
SS =
Item 7
Calculate the range and SS of the following scores:
2
5
7
3
3
13
19
4
range =
SS =
Item 8
Calculate the SS and stdev. of the following population scores:
11
10
12
2
4
7
SS =
variance =
Item 9
Calculate the stdev. of the following population:
14
3
5
8
6
9
stdev. =
Item 10
Calculate the SS of the following sample:
5
7
7
6
3
2
SS =
NOW YOU CHOOSE:
Day 3: Dispersion
A Bit More About Dispersion
Even More About Dispersion
Range
MAD
Sum of Squares
Variance
Standard Deviation
How To Calculate
Range
MAD
Sum of Squares
Variance
Standard Deviation
Formulas For Dispersion
Practice Problems
More Practice Problems
Basic Facts About Dispersion
Vocabulary
Quiz 3
Summary
