The following table lists a portion of the average price (in $) for a gallon of gas
Question:
The following table lists a portion of the average price (in $) for a gallon of gas for the 50 states and the District of Columbia as reported by AAA Gas Prices on January 28, 2020.
a. Construct the frequency distribution for the average price of gas. Use six intervals with widths of 2.00 < x ≤ 2.30; 2.30 < x ≤ 2.60; etc. Which interval had the highest frequency? How many of the states had average gas prices greater than $2.90?
b. Construct the histogram. Is the distribution symmetric? If not, is it positively or negatively skewed?
State | Price |
Alabama | 2.27 |
Alaska | 2.98 |
Arkansas | 2.24 |
Arizona | 2.82 |
California | 3.53 |
Colorado | 2.56 |
Connecticut | 2.64 |
District of Columbia | 2.67 |
Delaware | 2.25 |
Florida | 2.43 |
Georgia | 2.36 |
Hawaii | 3.67 |
Iowa | 2.31 |
Idaho | 2.59 |
Illinois | 2.61 |
Indiana | 2.38 |
Kansas | 2.24 |
Kentucky | 2.35 |
Louisiana | 2.22 |
Massachusetts | 2.56 |
Maryland | 2.42 |
Maine | 2.53 |
Michigan | 2.39 |
Minnesota | 2.40 |
Missouri | 2.16 |
Mississippi | 2.21 |
Montana | 2.52 |
North Carolina | 2.34 |
North Dakota | 2.44 |
Nebraska | 2.39 |
New Hampshire | 2.46 |
New Jersey | 2.58 |
New Mexico | 2.38 |
Nevada | 2.97 |
New York | 2.69 |
Ohio | 2.45 |
Oklahoma | 2.22 |
Oregon | 2.98 |
Pennsylvania | 2.71 |
Rhode Island | 2.55 |
South Carolina | 2.23 |
South Dakota | 2.42 |
Tennessee | 2.28 |
Texas | 2.18 |
Utah | 2.60 |
Virginia | 2.31 |
Vermont | 2.64 |
Washington | 3.10 |
Wisconsin | 2.38 |
West Virginia | 2.49 |
Wyoming | 2.57 |
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Related Book For
Business Statistics Communicating With Numbers
ISBN: 9781260716306
4th Edition
Authors: Sanjiv Jaggia, Alison Kelly
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