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211.What is the 10th percentile?

A. 7

B. 10.35

C. 12.1

D. 11

E. 8

212.What is the 65th percentile?

A. 7

B. 10.35

C. 12.1

D. 11

E. 8

213.What is the IQR?

A. 3

B. 8

C. 3.5

D. 11

E. 4.5

214.What are the inner fences?

A. 17, 20

B. 3.5, 15.5

C. 12.5, 15.5

D. -1, 20

E. 4.5, 9.0

Full file at https://fratstock.eu 215.What are the outer fences?

A. 17, 20

B. -1, 20

C. 3.5, 15.5

D. 12.5, 15.5

E. 4.5, 9.0

Use the following to answer questions 216-220:

In a survey of 550 randomly-selected business statistic students were surveyed on their

impressions of their course, instructor, and textbook. The results are as follows:

Use the above results to answer the following questions:

Compute a point estimate of the proportion of all college statistic students who:

216.Think their instructor was "very effective"

A. 0.136

B. 0.536

C. 0.182

D. 0.280

E. 0.014

217.Feel their textbook is not "easy" or "very easy"

A. 0.189

B. 0.811

C. 0.009

D. 0.656

E. 0.151

218.Think the quality of the course was "fair"

A. 0.251

B. 0.620

C. 0.129

D. 0.871

E. 0.340

219.Think that they had a "very ineffective" or "extremely ineffective" instructor

A. 0.282

B. 0.136

C. 0.182

D. 0.280

E. 0.464

Full file at https://fratstock.eu 220.Of the students who thought their textbook was very hard to read, 50 also thought that the quality of the

course was "poor". What proportion of students who think that their textbook was "hard" also thought

their course was "poor".

A. 0.588

B. 0.155

C. 0.091

D. 0.251

E. 0.616

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27 Feb 2018

Due Date: 27 Feb 2018
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