1 answer

Look at the histogram below, which shows milleage, in miles per gallon (mpg), for a random...

Question:

Look at the histogram below, which shows milleage, in miles per gallon (mpg), for a random selection of older passenger cars.t Histogram of mpg 15 14 12 10 12 6 6 8.5 12.5 16.5 20.5 24,5 28.5 32.5 36.5 40.5 mpg (a) Is the shape of the histogram essentially bimodal? O Yes, because the histogram has one peak. O Yes, because the histogram has two peaks. O No, because the histogram has one peak. O No, because the histogram has two peaks
(b) Jose looked at the raw data and discovered that the 54 deta values included both the city and highway mileges for 27 cers. Me used the city mileages for the 27 cars to make the histogram below. Histogram of City mpg 16 15 14 t 10 6 8.5 12.5 16.5 20.5 24.5 City mpg Using this information and the histograms shown above, construct a frequency table for the highway mileages of 16.5, 20.5, 24.5, 28.5,32.5, 36.5, and 40.5 the same cars. Use class boundaries Class Boundaries Frequency
My N Question Details 1/2 Submissions Used In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 17% of your total grade, each major test is worth 24%, and the final exam is worth 35%. Compute the weighted average for the following scores: 91 on the lab, 81 on the first major test, 71 on the second major test, and 87 on the final exam.
Look at the histogram below, which shows milleage, in miles per gallon (mpg), for a random selection of older passenger cars.t Histogram of mpg 15 14 12 10 12 6 6 8.5 12.5 16.5 20.5 24,5 28.5 32.5 36.5 40.5 mpg (a) Is the shape of the histogram essentially bimodal? O Yes, because the histogram has one peak. O Yes, because the histogram has two peaks. O No, because the histogram has one peak. O No, because the histogram has two peaks
(b) Jose looked at the raw data and discovered that the 54 deta values included both the city and highway mileges for 27 cers. Me used the city mileages for the 27 cars to make the histogram below. Histogram of City mpg 16 15 14 t 10 6 8.5 12.5 16.5 20.5 24.5 City mpg Using this information and the histograms shown above, construct a frequency table for the highway mileages of 16.5, 20.5, 24.5, 28.5,32.5, 36.5, and 40.5 the same cars. Use class boundaries Class Boundaries Frequency
My N Question Details 1/2 Submissions Used In your biology class, your final grade is based on several things: a lab score, scores on two major tests, and your score on the final exam. There are 100 points available for each score. However, the lab score is worth 17% of your total grade, each major test is worth 24%, and the final exam is worth 35%. Compute the weighted average for the following scores: 91 on the lab, 81 on the first major test, 71 on the second major test, and 87 on the final exam.

Answers

(a)

Histogram shows two peaks so distribution is bimodal.

Second option is correct.

(b)

Class Boundaries 2 Lower Upper Frequency 16.5 20.5 24.5 28.5 32.5 36.5 20.5 24.5 28.5 32.5 36.5 40.5 7-5-2 3 12

--------------------------

The required weighted average is

0.17 . 91 + 0.24 . 81 0.24 . 71 0.35 . 87 = 82.4

Answer: 82.4

.

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