
Concept explainers
Part a:
The mean, median, and range for each of the two data sets for the given table which gives average sales tax rate in six east coast and six western states.
Part b:
The five-number summary and draw a box plot for each of the two data sets for the given table which gives average sales tax rate in six east coast and six western states.
East coast states | Western states | ||
Florida | 6.8% | California | 8.25% |
Massachusetts | 6.25% | Arkansas | 1.76% |
Maryland | 6.00% | Oregon | 0% |
New Hampshire | 0% | Washington | 8.92% |
New York | 8.49% | Arizona | 8.25% |
Rhode Island | 7.00% | Utah | 6.76% |
Refer explanation.
Part c:
The standard deviation for each of the two data sets for the given table which gives average sales tax rate in six east coast and six western states.
East coast states | Western states | ||
Florida | 6.8% | California | 8.25% |
Massachusetts | 6.25% | Arkansas | 1.76% |
Maryland | 6.00% | Oregon | 0% |
New Hampshire | 0% | Washington | 8.92% |
New York | 8.49% | Arizona | 8.25% |
Rhode Island | 7.00% | Utah | 6.76% |
Part d:
The standard deviation for each of the two data sets using range rule of thumb for the given table which gives average sales tax rate in six east coast and six western states.
East coast states | Western states | ||
Florida | 6.8% | California | 8.25% |
Massachusetts | 6.25% | Arkansas | 1.76% |
Maryland | 6.00% | Oregon | 0% |
New Hampshire | 0% | Washington | 8.92% |
New York | 8.49% | Arizona | 8.25% |
Rhode Island | 7.00% | Utah | 6.76% |
Part e:
To compare: The two data sets in terms of their center and variation for the given table which gives average sales tax rate in six east coast and six western states.
East coast states | Western states | ||
Florida | 6.8% | California | 8.25% |
Massachusetts | 6.25% | Arkansas | 1.76% |
Maryland | 6.00% | Oregon | 0% |
New Hampshire | 0% | Washington | 8.92% |
New York | 8.49% | Arizona | 8.25% |
Rhode Island | 7.00% | Utah | 6.76% |
The average of sales tax rate in east coast states and western states are almost same. Variation is more in western states.

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Chapter 6 Solutions
Using And Understanding Mathematics: A Quantitative Reasoning Approach Plus Mylab Math With Integrated Review And Student Activity Manual Worksheets (7th Edition)
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