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Category > Statistics Posted 08 May 2017 My Price 7.00

An executive’s telephone log showed the lengths

4.13      An executive’s telephone log showed the lengths of 65 calls initiated during the last week of July.

(a) Find the mean, midrange, geometric mean, and 10 percent trimmed mean (i.e., dropping the first six and last six observations). (b) Do the measures of central tendency agree? Explain. (c) Are the data symmetric or skewed? If skewed, which direction? (d) Note strengths or weaknesses of each statistic of central tendency for the data.         CallLength

 

1

2

10

5

3

3

2

20

1

1

6

3

13

2

2

1

26

3

1

3

1

2

1

7

1

2

3

1

2

12

1

4

2

2

29

1

1

1

8

5

1

4

2

1

1

1

1

6

1

2

3

3

6

1

3

1

1

5

1

18

2

13

13

1

6

 

 

 

 

 

4.14      The number of Internet users in Latin America grew from 15.8 million in 2000 to 60.6 million in 2004. Use the geometric mean to find the mean annual growth rate. (Data are from George E. Belch and Michael A. Belch, Advertising and Promotion [Irwin, 2004], p. 488.)

 

Answers

Alpha Geek
(8)
Status NEW Posted 08 May 2017 05:05 PM My Price 7.00

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file 1494264439-Answer.docx preview (224 words )
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