The number of social interactions of ten minutes or longer over a one-week period for a group of college students is given in the following frequency table. (These interactions exclude family and work situations.) Find the mean, median, mode, and midrange for these data.| Social interactions in a week: x | 3 | 7 | 13 | 16 | 21 | 26 | 31 | 37 | 43 | 47 ||----------------------------------|---|---|----|----|----|----|----|----|----|----|| Number of college students: f | 14| 19| 19 | 12 | 13 | 5 | 4 | 4 | 4 | 4 |The mean is approximately _____.(Round to the nearest tenth as needed.)

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Answered: The number of social interactions of…

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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Q1/From the following classified data, find the mean. Sketch the relative frequency polygon and the cumulative frequency curves? Class limits 50-69 70-89 90-109 110-129 130-149 Frequency 3 7 4 4 9 Q2/Consider the following frequency table: A- Find the median and the mode. B- Sketch the relative histogram and the frequency polygon? Class limits 33-39 40-46 47-53 54-60 Frequency 3 5 8 6
Suppose that a polling company surveyed 600 people about how much time they spend watching television each day. The results of this survey were compiled and used to create this relative frequency histogram. Assume that all percentages shown in the histogram are whole numbers. Each of the bars in this histogram includes only the left endpoint of the class except for the last bar, which also includes the right endpoint. What percentage of respondents said that they watch television at least six hours per day? How many respondents said that they watch television between three and five hours per day?
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the table below shows the number of books the Jefferson Middle school students readeach month for nine months. Month Sept. Oct. Nov. Dec. Jan. Feb. Mar. Apr. May Number of Books 293 280 266 280 289 279 275 296 271 If the students read only 101 books for the month of June, which measure of central tendency will have the greatest change?A. The mean will have the greatest change.B. The median will have the greatest change.C. All measures will have an equal change.D. The mode will have the greatest change.
Find out the value of median from the following data : Daily wages (Rs) 10, 5, 7, 11, 8. Number of Workers 15 15 18 12 20
The following are final grades (in terms of percentages) from a class of 20 students. 70 75 70 84 90 92 84 85 80 60 72 78 80 81 72 79 78 76 86 Find the median of the data. • Previous Next Not saved Submit Quiz
The following refer to the following data set: 43 49 26 76 96 66 35 49 81 73 What is the mean (¯xx¯) of this data set?mean = (Please show your answer to one decimal place.)What is the median of this data set?median = What is the mode of this data set?mode =
The following refer to the following data set: 50.4 47.5 50.4 23.4 33.7 50.4 39.2 36.4 16.3 21.8 What is the arithmetic mean of this data set? mean = 37What is the median of this data set?median = 37.8What is the mode of this data set?mode = 50.4
Which of these gives the best measure of central tendency for the given data? A. Mean B. Median C. Mode D. Cannot be determined
For the data represented by the Stem and Leaf diagram shown below, the Mean is equal to 68.275. The Median is 67.5, :(answer (True) or (False Stems 3 4 5 6 7 8 9 Leaves 689 7 01 02 135 5 6 7 3 4 4 5 6 7 X 9 5 8 9 679 0 0 0 1 0 1 3 5 5 899 False O True O
The following questions refer to this data set: 39 72 84 34 20 87 26 59 85 85 What is the mean of this data set? mean = (Round your answer to one decimal place if necessary.) What is the median of this data set? median = What is the mode of this data set? mode =
A survey was conducted to obtain the number of people using the petrol station for one day. The following data was obtained: Time Number of people 6 – 8 15 8 – 10 22 10 – 12 40 12 – 14 32 14 – 16 25 16 – 18 19 Find the following: Mode 2. Median.

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