A useful way of comparing the distribution of a numerical variable across categories of some categorical variable is with: a. a side-by-side box plot b. a side-by-side pivot table c. a side-by-side plot or side-by-side pivot table d. neither a side-by-side box plot nor side-by-side pivot table

A useful way of comparing the distribution of a numerical variable across categories of some categorical variable is with: a. a side-by-side box plot b. a side-by-side pivot table c. a side-by-side plot or side-by-side pivot table d. neither a side-by-side box plot nor side-by-side pivot table

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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B) has more than one answer .. Thank you
Consider this set of data: 4.5 3.2 3.5 3.9 3.5 3.9 4.3 4.8 3.6 3.3 4.3 4.2 3.9 3.7 4.3 4.4 3.4 4.2 4.4 4.0 3.6 3.5 3.9 4.0 Construct a stem and leaf plot by using the leading digit as the stem. Construct a stem and leaf plot by using each leading digit twice. Does this technique improve the presentation of the data? Explain.
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?
(c) Draw a boxplot of the differenced data. Does this visual evidence support the results obtained in part (b)? Which boxplot below represents the data? A. O C. -6 -6 -4 -2 Differences -2 Differences 2 Q 2대 B. -6 -6 -4 -4 -2 Differences Differences 0 0 2
1. Determine whether the following variable is discrete or continuous: Room temperature (measured in Celsius) 2. A data set has mean=202, median=205 and mode=197. Determine the shape of the data. a. Skewed Left b. Symmetric c. Skewed Right d. Some other shape
10. Consider the box plot shown below: 2 4 6 8 10 12 14 16 a. What is the median of the data set? b. What are the upper and lower quartiles of the dataset? c. What is the interquartile range of the dataset? d. Is the data set skewed to the left, skewed to the right, of symmetric? e. What percentage of the observations in the data set lie to the right of the median? To the left of the upper quartile?
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 is the stem-and-leaf plot for the data set? Name Stanley Ben Prusiner Torsten Nils Wiesel Richard Axel 57 58 Robert Coleman Richards 59 James Alexander Mirrlees 60 O O Stem Stem 5 Stem 6 7 5 Stem 6 7 6 5 5 7 6 Age 55 7 Leaf 8 5 Leaf O O 0 O 5 Leaf O O Leaf 5 O O Name Age Robert Merton Solow 63 Stanley Cohen 64 Peter Mansfield 70 Vernon Lomax Smith 75 Richard Fred Heck 79 8 89 2 3 4 5 9 8 89 2 5 9 8 89 4 4 5 9 7 8 9 3 4 5 9
Consider the GPA of students in class: 1.6,1.7,1.8,1.9,2.4,2.6,2.7,2.8,2.9,3.2,3.3,3.3,3.4,4.0,4.0,4.0,4.0 Construct a stem-and-leaf plot. The leaves corresponding to stem 4 are? What is the rough shape of this data? Please answer both questions
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?…
A real estate agent has been given 10 houses to list. The house prices in dollars are: 110,000 95,000 87,000 92,000 99,000 250,000 265,000 210,000 275,000 240,000 A potential buyer calls and asks about house prices in the area. What measure of central tendency would best describe this data set? How should the real estate agent report it? Justify your response.
The data show the distance (in miles) from an airport of a sample of 22 inbound and outbound airplanes. Use technology to answer parts (a) and (b). a. Find the data set's first, second, and third quartiles. b. Draw a box-and-whisker plot that represents the data set. 2.4 5.8 4.3 3.3 4.5 2.2 5.6 3.5 5.9 4.8 1.9 4.4 5.5 4.9 4.7 2.5 3.8 4.1 4.3 3.4 5.3 58 a. Find the three quartiles. Q, = Q2 = Q2 = (Type integers or decimals. Do not round.) b. Choose the correct box-and-whisker plot below. OA. O B. Oc. 6. Click to select your answer(s).