Concept explainers
(a)
To construct: the histogram and the distribution of coli form appear to be approximately normal.
(a)
Explanation of Solution
Given:
Graph:
The distribution is looking to be a normal because the histogram has a clock shape. First
(b)
To Calculate: the
(b)
Answer to Problem 3.52RE
Mean = 5.88 and
Standard deviation = 4.11
Explanation of Solution
Given:
Calculation:
Mean is 5.88 and standard deviation is 4.11 which is looking forth. The first quartile and third quartile are 4 and 7 respectively.
(c)
To Calculate: the percent of the distribution fall within one, two and three standard deviation of the mean.
(c)
Explanation of Solution
Graph:
68% of the data lies within one standard deviations of the mean, 95% of the data lies within two standard deviation of the mean and 99.7% of the data lies within three standard deviation of the mean which into the diagram
Chapter 3 Solutions
Statistics Through Applications
Additional Math Textbook Solutions
Introductory Statistics (10th Edition)
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Elementary Statistics Using Excel (6th Edition)
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