14. (3pts) From the box and whisker plot below, which class performed the best? ++++ 艹 30 40 50 60 70 80 08 ++++ 90 100 b.
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From the box and whisker box below, which class performed the best and why?
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- For the following exercises, assume two die are rolled. 47. Construct a table showing the sample space.In horse racing, a “trifecta” occurs when a bettor wins by selecting the first three finishers in the exact order (1 St place, 2nd place, and 3rd place). How many different trifectas are possible if there are 14 horses in a race?Pls help ASAP
- Rebecca works at a research lab. Her summer intern John has asked for help in determining the samplesize from an academic report he’s reading. The Variance of the sample in the academic report is 144. Thereport also indicates that ∑(? − ?̅)2 = 7200What is the sample size?The random varlable is the sum of the numbers on the dice. You roll three colored dice: Give the random variable r.v. =4 r 2. Which gender is taller, males or females? A sample of 14-year-olds from the United Kingdom was randomly selected using the CensusAtSchool website. Create an appropriate stemplot. Here are the heights of the students (in cm): Male: 154, 157, 187, 163, 167, 159, 169, 162, 176, 177, 151, 175, 174, 165, 165, 183, 180 Female: 160, 169, 152, 167, 164, 163, 160, 163, 169, 157, 158, 153, 161, 165, 165, 159, 168, 153, 166, 158, 158, 166 % 5 t A 6 Oll y DELL & 7 u *80 i 9
- The dotplot below shows the commute times of 3 students, X1, X2 and X3, and their deviations from the mean where X1+ x2+ X3 3. What is k? Commute Time (minutes) ー=k ねー2=1 A. -2 B. -3 C. -4 D. -5Q2: The number of stories in the 10 tallest buildings for two different cities is listed below. Which set of data is better on the average and which set is more variable? 50 34 Houston: 71 64 56 53 55 47 55 52 50 Pittsburgh: 54 40 32 46 44 42 41 40 40The dot plot below shows the heights, in inches, of 28 basketball players X X X X X X X X X X X X X X X X X X X X X X X X X X ++ 65 66 67 68 69 70 71 72 73 74 75 76 Height of Basketball Players (in inches) Based on the dot plot, determine if the following statement is True or False: The mean is greater than the median. A True B False O Type here to search F1 F2 F3 F4 F5 F6 F7 F8 F9 F10 24 & 3 4 6 7 8. LL
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