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Business Statistic

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BUSINESS STATISTIC

PAN HU ID: z1785373

CHAPTER 1

  1. Quantitative, Interval
  2. Quantitative, Ratio
  3. Qualitative, Ordinal
  4. Qualitative, Nominal
  5. Quantitative, Ratio
  6. Qualitative, Nominal
  7. Quantitative, Interval
  8. Qualitative, Nominal
  9. Qualitative, Nominal
  10. Qualitative, Ordinal
  11. Quantitative, Interval
  12. Qualitative, Ordinal
  13. Quantitative, Ratio
  14. Qualitative, Nominal
  15. Quantitative, Interval
  16. Qualitative, Ordinal
  17. Qualitative, Ordinal
  18. Qualitative Ordinal
  19. Cross-sectional
  20. Time series
  21. Time series

Each of the last two columns in the table represents a the time series of the median weekly earning of full-time workers by gender.

YEAR

MEN

WOMEN

2008

$798

$638

2009

$819[pic 1]

$657[pic 2]

2010

$824

$669

2011

$854

$691

2012

$832

$684

  1. Cross-sectional

Each of the five lines labeled 2008-2012 in the table represents a cross-section of the median weekly earning of full-time workers by gender.[pic 3][pic 4][pic 5][pic 6][pic 7]

YEAR

MEN

WOMEN

2008

$798

$638                        

2009

$819

$657

2010

$824

$669

2011

$854

$691

2012

$832

$684

23 Time series[pic 8]

Year

                Print-Size

8*10

11*14

13*19

2010

117

102

160

2011

92[pic 9]

125[pic 10]

146[pic 11]

2012

105

111

133

2013

112

89

138

24.Cross-sectional[pic 12][pic 13][pic 14][pic 15]

Year

                Print-Size

8*10

11*14

13*19

2010

117

102

160

2011

92

125

146

2012

105

111

133

2013

112

89

138

25.Descriptive

26.Infeential

27.Inferential

28.Descriptive

29.Descriptive

30.Descriptive

Chapter 2

30.

a. ,  =64≥40, n=6 , Class Width: (23-2)/6=3.5, this figure should be adjusted to the whole number, so it’s 4.[pic 16][pic 17]

b.

Bin

Frequency

Relative Frequency

0-3

8

20.00%

4-7

5

12.50%

8-11

15

37.50%

12-15

3

7.50%

16-19

6

15.00%

20-23

3

7.50%

More

0

0

c.

Bin

Cumulative Frequency

0-3

20.00%

4-7

32.50%

8-11

52.50%

12-15

77.50%

16-19

92.50%

d.

[pic 18]

31.

Bin

Frequency

Relative Frequency

Cumulative Frequency

0

16

32%

32%

1

9

18%

50%

2

7

14%

64%

3

11

22%

86%

4

5

10%

96%

5

2

4%

100%

More

0

0%

100%

[pic 19]

There’s about 50% that about the baseball season will experience one day or less of rain.

38.

a. Vertical Bar Chart

[pic 20]

b. Horizontal Bar Chart

[pic 21]

39.

[pic 22]

40.

[pic 23]

 

42.

[pic 24]

58.

...

...

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