Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 51.8 miles per hour.Speed (miles per hour)58-61Frequency1The mean of the frequency distribution is(Round to the nearest tenth as needed.)42-4528miles per hour.46-491250-53754-574

The measure of central tendency that represents the average value of the data is termed the 'mean'…

Answered: Find the mean of the data summarized in…

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 gas mileages (in miles per gallon) for 27 cars are shown in the frequency distribution. Approximate the mean of the frequency distribution. Gas Mileage (in miles per gallon) 29-33 34-38 39-43 44-48 The approximate mean of the frequency distribution is (Round to one decimal place as needed.) Frequency 13 9 1 4
Problems Calculate the answer to each problem. You may use your calculator. Show some work. 14. Consider the following data showing a sample of 20 car speeds (in mph) on Route 24. First is the raw data, then a frequency distribution in which the bins have been determined but have not yet been filled in. 57 60 62 63 65 65 65 67 68 70 72 74 75 78 79 81 84 86 91 98 Speed (mph) 50-59 60-69 70-79 80-89 90-99 Frequency 1 Relative freq. 5% a) The first column has been filled in as an example. Fill in the rest of the columns, both the frequency and relative frequency. Express the relative frequency as a percent. b) Sketch the relative frequency histogram for this data. symmetric skewed left skewed right c) Circle the shape of this histogram: d) Find the range. e) Find the mode. f) Find the median. g) Find the mean. h) Note that the mean is larger than the median. Why is that?
7. STATISTICS A class of 32 students participated in running a 400 m race in preparation for their sports day. The time, in seconds, taken by each student is recorded below. 83 34 36 @ (b) 58 82 85 82 81 80 34 82 32 72 98 73 50-54 55-59 60-64 65-69 70-74 75-79 80-84 61 78 71. Copy and complete the frequency table to represent this data. Time in seconds Frequency 3 4 6 Using the raw scores, determine the range for the data. 77887 100
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The data represent the time, in minutes, spent reading a political blog in a day. Construct a frequency distribution using 5 classes. In the table, include the midpoints, relative frequencies, and cumulative frequencies. Which class has the greatest frequency and which has the least frequency? Complete the table, starting with the lowest class limit. (Simplify your answers.) Class Frequency Midpoint 11 19 13 12 Relative Frequency 1966 011 13 15 10 8 10 10 16 Cumulative Frequency 6729 U
Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 57.4 degrees. Low Temperature (o F) 40-44 45-49 50 - 54 Frequency 2 5 10 The mean of the frequency distribution is degrees. (Round to the nearest tenth as needed.) 55-59 4 60-64 3
Don't drink and drive: A highway safety council reported that there were 3902 fatalities among drivers in auto accidents in a particular year. Following is a frequency distribution of their ages. Approximate the mean age. Round your answer to one decimal place. Age 11-20 21-30 31-40 41-50 51-60 61-70 Number of Fatalities 331 1524 821 669 426 131 Send data Excel The mean is approximately X S
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K Find the mean of the data summarized in the given frequency distribution. Compare the computed mean to the actual mean of 50.8 miles Speed (miles per hour) 50-53 Frequency 42-45 28 The mean of the frequency distribution is miles per hour. (Round to the nearest tenth as needed.) 46-49 12 54-57 3 r hour. per 58-61 2 n
What percent of students scored above 600? show your work.
Alex records the running time-the number of minutes a movie lasts from start to finish-of 50 popular movies. Which interval contains the median movie run time? 90-100 minutes The distribution of times, in minutes, is shown in the histogram below. 100–110 minutes 110–120 minutes Movie Running Times O 120–130 minutes 16 14 12 4 70 80 90 100 110 120 130 140 150 160 Time (Minutes) Frequency 2.

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