25In a recent social research poll, 4800 randomly selected adults aged 18 to 26 were asked torecord the number of hours spent watching television and the number of non-work relatedhours, they spent surfing the Web during a typical week. Parallel boxplots of the data are givenbelow.Based on the plots, which one of the following statements is FALSE? *Surfing the Web versus Watching TVSurfing the WebWatching TV- Surfing the Web versus Watching TVSurfing the Web-Watching TV-* *41012 141618202224HoursOn average, adults aged 18 to 26 spent more time surfing the Web than watching television.The median number of hours spent surfing the Web is higher than the median number of hours spent watchingtelevision.The IQR for hours spent surfing the web is smaller than the IQR for hours spent watching TV.The range of distribution of hours spent surfing the Web is higher than the range for the distribution of hoursspent watching television.

Observing the above date in question OPTIONS A - true B - true

Answered: 25 In a recent social research poll,…

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Use a scatter plot to display the data shown in the table below. The data represents the number of students per teacher and the average teacher salaries (in thousands of dollars) in 10 school districts. Number of Students per Teacher Average Teacher's Salary 17.2 28.6 17.8 46.6 18.2 32.1 17.4 27.6 18.4 39.8 17.6 32.8 15.0 49.5 17.5 38.4 13.7 42.1 18.0 32.4 1.Construct a scatter diagram. 2.Describe the relation between students per teacher and average teacher salary. A. As the amount of students per teacher increases, the average teacher salary also increases. B. As the amount of students per teacher decreases, the average teacher salary increases. C. There appears to be no relation between students per teacher and average teacher salary.
Learning Experience Exercise Develop your own ungrouped and grouped Stem-Leaf Plot with the following number of newly married couple for the month of June. 77 80 82 68 65 59 61 57 50 62 61 70 69 64 67 70 62 65 65 73 76 87 80 82 83 79 79 71 80 77
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The following are the exam scores for a new literature class: 34, 41, 90, 80, 18, 20, 25, 70, 25, 20, 50, 40, 36. The class follows a typical grading scare where 65% is the lowest passing gradeand 100% is the highest. Create a box plot. Be sure to identify all thenecessary terms. What can we infer from looking at the box plot?
What is the relationship between the attendance at a major league ball game and the total number of runs scored? Attendance figures (in thousands) and the runs scored for 10 randomly selected games are shown below. Attendance Runs 52 12 39 34 7 6 30 4 10 6 20 60 14 5 14 36 16 5 9 6
A County Board of Supervisors has appointed an urban planning committee to evaluate proposed community development projects. The committee is analyzing, among other things, data on household incomes in two cities within the county. They have collected data on the income of 80 households in each of the two cities. The histograms below show the distributions of the two sets of incomes (in thousands of dollars). Each histogram shows household income on the horizontal axis and number of households on the vertical axis. The means and standard deviations for the data sets are also given. City A City B 25- 25 - 20+ 20- 15- 15- 10+ 10- 5+ 5- 0- 10 20 30 40 50 60 70 80 90 100 10 20 30 40 50 60 70 80 90 100 City A mean: 38.13 thousand dollars City B mean: 55.13 thousand dollars City A standard deviation: 20.84 thousand dollars City B standard deviation: 14.71 thousand dollars The committee wants to use the Empirical Rule to make some approximations about both data sets. Unfortunately, it is…
Construct a stem-and-leaf plot of the test scores 68, 73, 85, 75, 89, 89, 87, 90, 99, 100. How does the stem-and-leaf plot show the distribution of these data? Construct the stem-and-leaf plot. Choose the correct answer below. O A. B. Stem 6 7 8 9 10 Stem Leaves 6 7 8 8 35 5996 09 9 10 0 Leaves 5 35 5997 07 0 O C. Stem 6 7 8 9 10 Leaves 8 36 5697 09 0 O D. How does the stem-and-leaf plot show the distribution of these data? O A. The lengths of the rows are similar to the widths of bars in a histogram; longer rows of data correspond to smaller frequencies. O B. The lengths of the rows are similar to the heights of bars in a histogram; longer rows of data correspond to higher frequencies. O C. The lengths of the rows are similar to the heights of bars in a histogram; longer rows of data correspond to smaller frequencies. Stem 6 7 8 9 10 Leaves 8 35 5799 09 0
What would it be for the histogram box?
(part 2) Give an example of a set of data for which the mean is lower than the median.
Below are numbers of hours that a sample of 19 college graduates reported working last week. 50, 58, 57, 52, 41, 38, 46, 53, 58, 68, 48, 52, 57, 65, 44, 62, 47, 42, 63 Send data to calculator Send data to Excel Using the tool provided, construct a box-and-whisker plot (sometimes called a boxplot) for the data. ? +++++D 50 55 60 65 70 35 40 45 Number of hours worked
which box plot best represents this data?
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