117EFBFind the mean and standard deviation of these heights. Round your answers to three decimal places, ifnecessary.Mean:Standard deviation:Fill in the table below to give grouped relative frequencies for these heights.GroupFrequencyRelative Frequency60 63.9Frequency64-67.968 - 71.97275.976 - 79.9201510560 64 68 72 76 80numbersThe graph above shows a frequency histogram for these data. According to the histogram, does this dataset look approximately normal? Why or why not? (Note: this part will be hand-graded. The computer willautomatically count it as "wrong," but you will receive credit for correct answers when the test is graded.) Data set 374.673.370.074.271.772.1 79.1 74.771.976.271.670.476.061.6 73.9 72.867.0 66.8 67.570.873.974.573.7 70.469.470.0 75.7 69.572.7 60.079.4 72.074.079.9 68.575.661.372.0 73.876.078.260.475.873.977.468.675.571.265.475.1

Mean and standard deviation of height

Answered: A 3809 E HT Find the mean and standard…

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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Approximate the mean of the frequency distribution for the ages of the residents of a town. Age Frequency 0-9 31 10-19 27 20-29 14 30-39 20 40-49 22 50-59 43 60-69 46 70-79 11 80-89 7 What is the approximate mean age in years.
The amount of caffeine in a sample of five-ounce servings of brewed coffee is shown in the histogram. Make a frequency distribution for the data. Then use the table to estimate the sample mean and the sample standard deviation of the data set. Click the icon to view the histogram. Complete the table. Round values to the nearest tenth as needed. Graph/chart f Midpoint x xf 70.5 Ay 30- 92.5 26 25- 114.5 136.5 20- 158.5 15- 12 Ef = Exf = 10- Find the mean of the data set. 5- X = (Round to the nearest tenth as needed.) 48.5 70.5 92.5 114.5 136.5 158.5 Complete the table. Round values to the nearest tenth as needed. Midpoint x (x-x)? (x-x)?f X-X 70.5 Print Done 92.5 114.5 136.5 158.5 (x-x)?r= ] of
can i get help finding the median?
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The area of the shaded region is
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
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Construct a relative frequency distribution. Round the answers to two decimal places. Response Relative Frequency X Very likely Fairly likely Not too likely Not likely Total Ś
st K Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a standard deviation of 15. Click to view page 1 of the table. Click to view page 2 of the table. The area of the shaded region is (Round to four decimal places as needed.) 1 95 125
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
The gas mileages (in miles per gallon) for 26 cars are shown in the frequency distribution. Approximate the mean of the frequency distribution. The approximate mean of the frequency distribution is (Round to one decimal place as needed.) Gas Mileage (in miles per gallon) 26-29 30-33 34-37 38-41 Frequency 8 10 2 6
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