For problems 18 and 19, refer to the following: The stem-and-leaf plot showsthe number of books read in a year by randomly selected sample of collegeand high school students in a certain university.18. Which of the following statements are true? I. One college student readsseven (7) books. II. The data distribution for the college students is skewed to theright. I. The data distribution for the high school students is symmetric.High schoolCollege7100352 124463 18940113661911BAC1234AGUIO C3688942857A. Statements and Il only.B. Statements Il and III only.C. Statements l and III only.D. Statements I, II, and II.19. The median number of books read by the sample of college students isA. 23B. 24C. 30O D. 36

For college students : No.of books read in a year by a random sample of college students 7 , 13 , 16…

Answered: For problems 18 and 19, refer to the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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The data to the right represent the number of chocolate chips per cookie in a random sample of a name brand and a store brand. Complete parts (a) to (c) below. (a) Draw side-by-side boxplots for each brand of cookie. Label the boxplots "N" for the name brand and "S" for the store brand Choose the correct answer below. O A. OB. O C. O D. S 10 N- 20 30 40 Q 17 S N- 10 20 30 40 9.1 ✔ N- 27 S- 10 20 30 40 Q N- ام 10 20 30 Name Brand 20 22 25 27 30 20 29 33 21 Full data set D Store Brand 24 23 21 27 19 26 24 33 15 23 22 26 22 28 17 25 28 40 G
The following is data for the first and second Quiz scores for 8 students in a class. First Quiz Second Quiz 11 11 18 13 19 17 24 19 42 39 44 39 45 42 47 45 Plot the points in the grid below. 50+ 45 40 35 30 25 20 15 10 5 10 15 20 25 30 35 40 45 50
Solve the problem. The following data gives the number of applicants that applied for a job at a given company each month of 1999: 63, 70, 68, 74, 83, 77, 79, 86, 82, 68, 66, 63. What is the median of the data? O 72 O There is no median. O 70 O 74 W ASUS f4 f5 f6 f7 f8 口京 f9 f10 f11 & 4 7 8. 9. R T Y U 因 5 图
Males 74 75 69 72 75 73 88 76 71 64 67 71 72 82 71 83 82 78 80 81 75 Females 75 57 61 71 79 78 81 65 57 80 73 83 86 79 65 70 69 76 55 66 79 5. Construct stem-and-leaf plots for each data set using four stems. You should have two separate plots: one for men and one for women. 6. Why is it important to have the same stems for both plots, even though one plot has an empty stem? 7. Comment on the distributions. What type on conclusions can you make about the heart rates of males and females? Do they appear to be very different?
1. The box and whisker plot shows the ages of people at a restaurant. 6 5 13 21 33 42 10 15 20 25 30 35 40 45 Part A: What percent of people are younger than 33 years old? Part B: The following data points are added to the data set. (6, 21, 45, 60). Which of the data points would be an outlier?
Consumer Reports rated automobile insurance companies and gave annual premiums for top-rated companies in several states. The figure below shows premiums for urban customers (married couple with one 17-year-old son) in three states. The box plots were all drawn using the same scale on a TI-8- Texas Pennsylvania California (a) Which state has the lowest premium? the highest? O lowest, California; highest, Texas O lowest, Texas; highest, Pennsylvania O lowest, Pennsylvania; highest, California lowest, California; highest, Pennsylvania
The Midland National Bank selected a sample of 40 student chequing accounts. Below are their end of themonth balances.404 74 234 149 279 215 123 55 43 321 87 23468 489 57 185 141 758 72 863 703 125 350 44037 252 27 521 302 127 968 712 503 489 327 608358 425 303 203a. Develop a box plot of the data values in the data set.b. Is the data distribution skewed or symmetrical?c. How many outliers are present in the data?
Given the following data: 12, 14, 13, 20, 18, 15, 5, 6 and 19. Construct a box-and-whisker plot for the data set. +++++++ 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 +++-++ 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 2l 22 23 +++ 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 一 5 6 10 11 12 13 14 15 16 17 18 19 20 21 22 23
. What percent of the random samples from Bag 1 had between 30% and 50% red marbles? What percent of the random samples from Bag 2 had between 30% and 50% red marbles? f. What percent of the random samples from Bag 1 had between 70% and 90% red marbles? What percent of the random samples from Bag 2 had between 70% and 90% red marbles? g. Which bag is more likely to be the one with 40% red marbles and which bag is more likely to be the one with 80% red marbles? Why? h. A third bag of 50 marbles contains 50% red marbles and 50% black marbles. If students take random samples of 10 marbles from that bag, how do you think a dot plot for those random samples would compare to the dot plots for Bag 1 and Bag 2?
8. The following table gives the winning scores in the Masters golf tournament for the years from 1973 to 2008. Use it (a) to construct a stem and leaf plot, and (b) to find the sample median of the winning scores in these years.
During the 2016-2017 season, the University of South Carolina Men's Basketball team made it to the final 4. The Lady Gamecocks made it to the final four and won the National Championship. Below are the number of points each team scored during each of the games they played during the 2016-2017 season. Use the back-to-back stem and leaf plot to answer the questions. How many games did each team play? The men played ___ and the women played ___ games. What is the mean points of each team? The men scored an average of ___ points and the women scored an average of ____ points (round to the nearest point) What is the range of the points of each team? The men scored a range of ____ points and the women scored a range of ____ points. What is the population standard deviation for each team? The men had a standard deviation of _____ points and the women had a standard deviation of _____ points (round to nearest hundredth). Based on the standard deviation, which team's points varied more?…

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