UNIT 4

Unit 4 Application Assignment

Unit 4 Application Assignment

Part 1

1

Statistics

VAR00001

N

Valid

8

Missing

2

Mean

9.6250

Median

10.0000

Mode

10.00

Sum

77.00

2

VAR00002

N

Valid

10

Missing

0

Mean

4.7000

Median

4.0000

Mode

4.00

Sum

47.00

Part 2

1

Statistics

VAR00003

N

Valid

8

Missing

2

Std. Deviation

2.61520

Variance

6.839

Range

8.00

2

VAR00004

N

Valid

10

Missing

0

Std. Deviation

2.58414

Variance

6.678

Range

8.00

Part 3

Skewed Distribution

The normal distribution is a typical symmetrical distribution, because it is characterized by the fact that its right side is somewhat the mirror image of its left side. Many distributions do not exhibit this property, therefore, it is asymmetric. A distinction is also called positive asymmetry (left diagram below) and a so-called negative asymmetry. The positive and negative adjectives refer to the index of symmetry, which includes average less than median. Because of its general appearance, it is said that the distribution of the left draws a ...