Culnstructing the histograms, answer the following questions. Be clear and concise in your responses. (e) What was the general shape of the distribution of the data in (a)? Unimodal? Bimodal? (f) Did the shape of the distribution change as you changed the number of classes used? (g) Given your response to (f), what might you conclude about the data? 2.4 The regulations of the Board of Health specify that the fluoride level in drinking water should not exceed 1.5 parts per million (ppm). Each of the 11 measurements below represent average fluoride levels over 15 days in ppm. 0.75 0.86 0.84 0.97 0.94 0.89 0.88 0.78 0.77 0.76 0.82 (a) Find the range of the data. (b) Construct a relative frequency histogram for these data using an appropriate number of classes (by hand). (From [47|) The Arithmetic Skills Test (A.S.T.) is a standardized basic mathematics skills test administered to general mathematics students at Western Kentucky University. The test has 30 multiple-choice questions with a minimum passing score 'of 21. The scores from a recent exam are given. 19 25 22 23 24 19 22 19 24 24 27 18 20 23 25 28 10 18 23 19 21 17 23 26 24 26 21 14 27 18 19 24 23 21 23 20 22 25 25 16 8 22 24 24 19 22 1S 22 26 19 ruct a histogram for the data using the appropriate number of classes.

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ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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2.4

Culnstructing the histograms, answer the following questions. Be clear and concise
in your responses.
(e) What was the general shape of the distribution of the data in (a)? Unimodal? Bimodal?
(f) Did the shape of the distribution change as you changed the number of classes used?
(g) Given your response to (f), what might you conclude about the data?
2.4
The regulations of the Board of Health specify that the fluoride level in drinking water
should not exceed 1.5 parts per million (ppm). Each of the 11 measurements below
represent average fluoride levels over 15 days in ppm.
0.75 0.86 0.84 0.97 0.94 0.89 0.88 0.78 0.77 0.76 0.82
(a) Find the range of the data.
(b) Construct a relative frequency histogram for these data using an appropriate number
of classes (by hand).
(From [47|) The Arithmetic Skills Test (A.S.T.) is a standardized basic mathematics skills
test administered to general mathematics students at Western Kentucky University. The
test has 30 multiple-choice questions with a minimum passing score 'of 21. The scores
from a recent exam are given.
19 25 22 23 24 19 22 19 24 24
27 18 20 23 25 28 10 18 23 19
21 17 23 26 24 26 21 14 27 18
19 24 23 21 23 20 22 25 25 16
8 22 24
24 19 22 1S 22 26 19
ruct a histogram for the data using the appropriate number of classes.
Transcribed Image Text:Culnstructing the histograms, answer the following questions. Be clear and concise in your responses. (e) What was the general shape of the distribution of the data in (a)? Unimodal? Bimodal? (f) Did the shape of the distribution change as you changed the number of classes used? (g) Given your response to (f), what might you conclude about the data? 2.4 The regulations of the Board of Health specify that the fluoride level in drinking water should not exceed 1.5 parts per million (ppm). Each of the 11 measurements below represent average fluoride levels over 15 days in ppm. 0.75 0.86 0.84 0.97 0.94 0.89 0.88 0.78 0.77 0.76 0.82 (a) Find the range of the data. (b) Construct a relative frequency histogram for these data using an appropriate number of classes (by hand). (From [47|) The Arithmetic Skills Test (A.S.T.) is a standardized basic mathematics skills test administered to general mathematics students at Western Kentucky University. The test has 30 multiple-choice questions with a minimum passing score 'of 21. The scores from a recent exam are given. 19 25 22 23 24 19 22 19 24 24 27 18 20 23 25 28 10 18 23 19 21 17 23 26 24 26 21 14 27 18 19 24 23 21 23 20 22 25 25 16 8 22 24 24 19 22 1S 22 26 19 ruct a histogram for the data using the appropriate number of classes.
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