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?The box and whisker plot below show the ages of the students in he Public School system. What is the range of the ages? What percent of the students’ ages are between 9 and 14? What is the Q3 of the ages?
- 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?Late Kobe was 6'6" (or 78 inches). Suppose the average height of men is 5'9" (or 69") and SD is 3". What is the z-score of Kobe's height?-The box-and-whisker plot shows the number of coms collected in foedne along with the data in stem leaf hable stem leaf 0,1,4,9,9 2 50 30 3. 1,7,7,7,2,8 a. what is a? 4 1,2,2,3,5,6,7,8 b. What is b? Key: 311 means 31 c. Determine the IQR. 43 means 43 d. Determine quarhle 1 (a1).
- so can you really help me?Rachel Wood asks eight of her friends about the number of hours they spend daily on Facebook. Their responses are 2 Calculate the mean, median, and mode numbers of hours her friends spent on Facebook. Does the mean accurately reflect the center of the data? Why? For the toolbar, press ALT+F10 (PC) or ALT+FN+F10 (Mac). BIUS Paragraph Arial 14px :E v A v E E x X, RBC V -Student grades on a chemistry exam were: 79, 77, 76, 82, 86, 50, 79, 81, 83, 99 Part (a) Construct a stem-and-leaf plot of the data. (Use the tens digit as the stem and the ones digit as the leaf. Enter your answers from smallest to largest, separated by spaces. Enter NONE for stems with no leaves.) 5 6 7 8 9 Are there any potential outliers? If so, which scores are they? Why do you consider them outliers? 1.There are no outliers in the data set because there are no large gaps in the stem-and-leaf plot. 2. The two outliers are 50 (because it lies 1.5 × IQR below the first quartile) and 99 (because it lies 1.5 × IQR above the upper quartile). 3.The only outlier is 99 because it is the largest value in the data set. 4.The only outlier is 50 because it lies 1.5 × IQR below the first quartile.
- An administrative assistant for the athletics department at a local university is moni- toring the GPAs for eight members of the women's volleyball team. He enters the GPAs into the database but accidentally misplaces the decimal point in the last entry. 2.8 3.0 3.0 3.3 2.4 3.4 3.0 21 Use a dotplot to describe the data and uncover the assistant's mistake.Use the following table to answer the question & the sub part. 1a.What is the df for the t-test comparing total units earned in the row Students on Pell?i. df = 5854 + 1999 = 7853ii. df = 5854 + 1999 - 2 = 7851iii. df = 5854 - 1 = 5854iv. df = 1999 - 1 = 1998 1b. True or False? In the row First-generation College Students, students not employed on campus had the higher standard deviation for time to degree (years).F Make a box plot from the five-number summary: 100, 105, 120, 135, 140. h
