These are the times, in seconds, that 15 members of an athletics club took torun 800 metres.139148151140162182154171157142145178132148166(i)Draw a stem-and-leaf diagram of the data.(ii)Find the median, the upper and lower quartiles and the interquartile range.(iii) Draw a box-and-whisker plot of the data.

Answered: These are the times, in seconds, that…

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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d. Estimate the blood pressure of the student if his stress test score is 80, 60, and 85.
which box plot best represents the data?
The ordered pairs below give the winning times (in seconds) of a 100-meter freestyle swim race at a regularly-held competition from 1984 through 2012. (1984, 54.22) (2000, 52.13) (1988, 53.23) (2004, 52.14) (1992, 52.94) (2008, 51.42) (1996, 52.80) (2012, 51.30) (a) Sketch a scatter plot of the data. Let y represent the winning time (in seconds) and let t = 84 represent 1984. (b) Sketch the line that you think best approximates the data and find an equation of the line. (Round the slope and y-intercept to one decimal place.) y = (c) Use the regression feature of a graphing utility to find the equation of the least squares regression line that fits the data. (Round the slope and y-intercept to two decimal places.) y =
Use the box-and-whisker plot to identify the five-number summary. Min = Q₁ = Q₂: = = Max = 936 1286 900 1200 1503 1500 1800 2086 1985 2100 Q
4.3) •VA report from Texas Transportation Institute (Texas A&M University System 2005) on Congestion Re- duction Strategies looked into the extra travel time (due to traffic congestion) for commute travel per traveler per year in hours for different urban areas. Below are the data for urban areas that had a population of over 3 million for the year 2002. Extra Hours per Traveler per Year Urban Area Los Angeles San Francisco 98 75 Washington DC Atlanta 66 64 Houston 65 Dallas, Fort Worth Chicago Detroit 61 55 54 Miami 48 Boston 53 New York 50 Phoenix 49 Philadelphia 40 4. Compute the mean and median values for extra travel hours. Based on the values of the mean and median, is the distribution of extra travel hours likely to be approximately symmetric, positively skewed, or negatively skewed?
Use a stem-and-leaf plot that has two rows for each stem to display the data, which represent the income (in millions) of 30 of the highest paid athletes. Describe any patterns. 36 36 44 50 35 56 56 68 47 63 46 37 44 43 81 53 38 73 34 38 88 34 53 41 Determine the leaves in the stem-and-leaf plot below. Key: 3|3 = 33 Income ($ millions) 3 3 4 4 5 5 6 6 7 7 8 81 What best describes the data? 76 42 45 34 45 48 A. The incomes are evenly spread between 30 and 90 million dollars. B. Most of the incomes are between 50 and 70 million dollars. C. Most of the incomes are less than 60 million dollars. D. Most of the incomes are greater than 60 million dollars. 0
The following data are the ages (in years) of 19 economics teachers in a school district. 58 48 40 58 41 60 47 59 53 42 51 44 61 46 43 32 52 31 34 Construct a box and whisker plot for the data.
Construct a scatter plot from the given points and describe the correlation.
The list shows the test scores of students in a math class on the midterm exam. 84, 95, 76, 84, 87, 90, 93, 81, 57, 78, 85, 92Which box - and - whisker plot correctly displays the information?
Here is a data set: 68 76 95 72 73 65 74 88 79 75 70 82 96 66 61 68 70 66 80 80 63 60 81 77 76 72 71 97 79 77 You are examining the data with a stem-and-leaf plot. Here is the start of the plot. Finish the plot.6# | 013566887# | 001223456677998# | 001289# |
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