Query 13

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course MTH 152

If your solution to stated problem does not match the given solution, you should self-critique per instructions at

http://vhcc2.vhcc.edu/dsmith/geninfo/labrynth_created_fall_05/levl1_22/levl2_81/file3_259.htm.

Your solution, attempt at solution.

If you are unable to attempt a solution, give a phrase-by-phrase interpretation of the problem along with a statement of what you do or do not understand about it. This response should be given, based on the work you did in completing the assignment, before you look at the given solution.

014. ``q Query 14

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Question: `q Query problem 13.1.6 freq dist 35 IQ scores class width 5

YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY

Your solution:

91-95-1-.02-2%

96-100-3-.06-6%

101-105-5-.10-10%

106-110-7-.14-14%

111-115-12-.24-24%

116-120-9-.18-18%

121-125-8-.16-16%

126-130-3-.06-6%

131-135-2-.04-4%

confidence rating #$&*:3

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Given Solution:

`a These numbers might or might not be completely accurate, but the calculation of the relative frequencies as percents follows from the tallies:

91-95 1 1/50 = 2%

96-100 3 3/50 = 6%

101-105 5 5/50 = 10%

106-110 7 7/50 = 14%

111-115 12 12/50 = 24%

116-120 9 9/50 = 18%

121-125 8 8/50 = 16%

126-130 3 3/50 = 6%

131-135 2 2/50 = 4% **

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Self-critique (if necessary):

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Self-critique Rating:

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Question: `q Query problem 13.1.10 stem and leaf for yards gained by 44 rushers

YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY

Your solution:

0 3,7

1 2,9,8,6,6

2 8,9,2,5,9,4

3 9,6,3,7,3,0,2,6

4 2,3,5,0,1,9,3,6

5 1,5,8,4

6 7,0,2

7 3,3,9

8 8,6

9 4

10 2

11 2

12 3

confidence rating #$&*:3

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Given Solution:

`aIn order we get the following:

0 3 7

1 2 6 8 9

2 2 4 5 8 9 9

3 0 2 3 3 6 6 7 9

4 0 1 2 3 3 5 6 9

5 1 4 5 8 6 0 2 7

7 3 3 9

8 6 8

9 4

10 2

11 2

12 3 **

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Self-critique (if necessary):

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Self-critique Rating:

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Question: `q Query problem 13.1.35 empirical probability distribution for letters of alphabet

YYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYYY

Your solution:

E .13 .13/.385= .338

A .08 .08/.385= .208

0 .08 .08/.385= .208

I .065 .065/.385= .169

U .03 .03/.385= .078

confidence rating #$&*:3

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Given Solution:

`aThe probabilities for A, E, I, O, U are:

.08. .13, .065, .08, .03.

The sum of these probabilities is .385

The probabilities of the letters given a vowel:

.08 / .385 = .208

.13 / .385 = .338

.065 / .385 = .169

.08 / .385 = .208

.03 / .385 = .078

These probabilities total 1. **

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Self-critique (if necessary):

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Self-critique Rating:"

Self-critique (if necessary):

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Self-critique rating:

Self-critique (if necessary):

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Self-critique rating:

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&#Good responses. Let me know if you have questions. &#