(See) Thirty automobiles were tested for fuel efficiency, miles per gallon (mpg). The following frequency distribution was obtained. Construct a histogram,
Question: Thirty automobiles were tested for fuel efficiency, miles per gallon (mpg). The following frequency distribution was obtained. Construct a histogram, frequency polygon, and ogive for the data.
| Class boundaries | Frequency |
| 7.5-12.5 | 3 |
| 12.5-17.5 | 5 |
| 17.5-22.5 | 15 |
| 22.5-27.5 | 5 |
| 27.5-32.5 | 2 |
Deliverable: Word Document 
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(See Steps) Find the values for each. t_alpha /2 and n = 18 for
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