I just need help on questions 7 and 8
Question 7:
For X = 0.7993:
= 2.4961
= 0.5656
For X = 4.1929:
By Chbyshev's Rule, at least 88.89% of the data lie within 3 Standard Deviations of the mean.
Thus, we write the answer as follows:
Chebyshev's rule predicts that 88.89 precent of engine data should be between 0.7993 and 4,1929 liters, which are 3 standard deviations away from the mean.
Question 8:
Standard Deviation of Engine Size = 0.5656
Mean of Engine Size = 2.4961
So,
Coefficient of Variation of Engine Size = (0.5656/2.4961) X 100 = 22.66 %
Standard Deviation of Highway Fuel Efficiency = 8.0280
Mean of Highway Fuel Efficiency = 33.0143
So,
Coefficient of Variation of Highway Fuel Efficiency = (8.0280/33.0143) X 100 = 24.32 %
Since Coefficient of Variation of Highway Fuel Efficiency = 24.32 % is greater than Coefficient of Variation of Engine Size = 22.66 %, we conclude:
Highway Fuel Efficiency varied most.
I just need help on questions 7 and 8 The U.S. Department of Energy's Fuel Economy...
Just need the answers please. Engine Size Mean 2.7917 Standard Error 0.0756 Median 2.7917 Mode 2.7297 Standard Deviation 0.6326 Sample Variance Kurtosis -0.6958 Skewness 0.0122 Range Minimum 1.6130 Maximum 4.2186 Sum Count 70.0000 Q1 2.2954 Q3 3.3191 Hwy Fuel Efficiency Mean 33.9857 Standard Error 1.0510 Median 35.5000 Mode 46.0000 Standard Deviation 8.7931 Sample Variance Kurtosis -1.3320 Skewness -0.1543 Range Minimum 19.0000 Maximum 47.0000 Sum Count 70.0000 Q1 26.0000 Q3 42.0000 The U.S. Department of Energy's Fuel Economy Guide provides fuel...
Note: Ahswer Questions S-8 Dy Using the Excel output The U.S. Department of Energy's Fuel Economy Guide provides fuel efficiency data for cars and trucks. (See exercise 35 on page 63 in your textbook for a similar problem.) Use the data in the FuelData sheet in this workbook to generate excel output to answer the following questions. Please note that units are "liters" for engine size and "miles per gallon" for highway fuel efficiency. Put the output in given space...
Choose one answer for the purple blanks, answer number for orange blanks Thanks! Place Engine Size output (starting with label) in E2 -> EngncSIzC Place Hwy Fuel Eff output (starting with labe) in H2-> Hwy Fuci Effcicncy .155 0.0855 3.1558 .0857 0.7151 Mean -> Mean Standard Error Median Mode Standard Deviation Sample Variance Kurtosis Mcan -> Mean Standard Error Median Mode Standard Deviation Sample Variance Kurtosis Skewness Range Minimum Vlaximium Sum 34.2714 .0863 34.5000 7.0000 9.0888 0.6958 0.0122 1.3757 0.1782...
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$. % , 117 Format as Table. Cell styles Clipboard Font Alignment Number Styles L73 59 The U.s. Department of Energy's Fuel Economy Guide provides fuel efficiency data for cars and trucks. (See exercise 35 on page 63 in 70 your textbook for a similar problem.) Use the data in the FuelData sheet in this workbook to generate excel output to answer the 71following questions. Please note that units are "liters" for engine size and "miles per gallon" for highway...
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