Practice Problems: Dispersion

October 22, 2008 by  
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  _____

Answers

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  
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 =

 

Answers

 

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