Pupils Per Teacher The frequency distribution shows the average numberof pupils per teacher in some states of the United States. Find the varianceand standard deviation for the data. Round your answers to one decimalplace.Class limits Frequency10-1213-151816-181019-21522-24325-271Send datato ExcelVarianceStandard deviation Time Spent Online Americans spend an average of 3 hours per day online.If the standard deviation is 30 minutes, find the range in which at least 75% of Othe data will lie. Use Chebyshev's theorem. Round your k to the nearestwhole number.At least 75% of the data will lie betweenandminutes.

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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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Find the range, variance, standard deviation, and coefficient of determination.
Please do not give solution in image format thanku A car salesman collected data on how many cars were sold at a dealership per day for two weeks. The results were as follows: 6, 7, 4, 3, 1, 2, 6, 6, 6, 7, 4, 4. Make a frequency table and then make a histogram based on that frequency table. What is the shape of the distribution? O Skewed to the right O Skewed to the left O Bimodal O Symmetrical
The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 19, 23, 14, 20, 17, 22, 16, 14, 18 0 The range is (Simplify your answer.) The mean is (Simplify your answer. Round to the nearest tenth as needed.) The variance is (Simplify your answer. Round to the nearest tenth as needed.) The standard deviation is (Simplify your answer. Round to the nearest tenth as needed.)
Using the stemplot of annual precipitation (inches) below, determine the range, IQR, variance and standard deviation. Please answer correctly.
The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 20, 23, 13, 18, 17, 22, 17, 15, 16 The range is The mean is ( Simplify your answer. Round to the nearest tenth as needed.) The variance is (Simplify your answer. Round to the nearest hundredth as needed.) The standard deviation is (Simplify your answer. Round to the nearest tenth as needed.) Can you please explain me this math problem having trouble understanding. Thank you.
Find the range, the standard deviation, and the variance for the given samples. Round non-integer results to the nearest tenth. 50, 63, 56, 69, 96, 65, 83, 60, 98 range standard deviation variance Need Help? Watch It
complete details pls (engineering data analysis) The following data are the grades of the students in a class. A. Determine the Mean, Mode, Median, and Standard Deviation if the data is ungrouped. B. Determine the Mean, Mode, and Median if the data is grouped. Show the frequency distribution table. 96, 84, 85, 72, 95, 74, 75, 88, 87, 98, 81, 79, 78, 76, 81, 99, 74, 75, 82, 81, 95, 94, 96, 97, 86, 88, 84, 91, 90, 91
The distribution of the number of hours that a random sample of people spend doing chores per week is shown in the pie chart. Use 32 as the midpoint for "30+ hours." 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 pie chart. First construct the frequency distribution. Class Frequency, f 0-4 5-9 10-14 15-19 20-24 25-29 30+ Find an approximation for the sample mean. X= (Type an integer or decimal rounded to the nearest tenth as needed.) Find an approximation for the sample standard deviation. S= (Type an integer or decimal rounded to the nearest tenth as needed.) Weekly Chore Hours 0-4 hours (3 people) 5-9 hours (14 people) 10-14 hours (21 people) 15-19 hours (18 people) 20-24 hours (17 people) 25-29 hours (11 people) 30+ hours (7 people) - X -
The ages (in years) of a random sample of shoppers at a gaming store are shown. Determine the range, mean, variance, and standard deviation of the sample data set. 12, 19, 23, 14, 16, 16, 22, 16, 15, 19 The range is (Simplify your answer.) The mean is (Simplify your answer. Round to the nearest tenth as needed.) The variance is (Simplify your answer. Round to the nearest tenth as needed.) The standard deviation is (Simplify your answer. Round to the nearest tenth as needed.)
The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance, and standard deviation of the population data set. 2, 7, 15, 5, 14, 10, 12, 8, 3, 9 The range is 1313. (Simplify your answer.) The population mean is . (Simplify your answer. Round to the nearest tenth as needed.) The population variance is nothing. (Simplify your answer. Round to the nearest tenth as needed.) The population standard deviation is nothing. (Simplify your answer. Round to the nearest tenth as needed.)
The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance, and standard deviation of the population data set. 2, 9, 15, 4, 15, 6, 12, 8, 5, 9 C The range is 13 (Simplify your answer.) The population mean is 8.5. (Simplify your answer. Round to the nearest tenth as needed.) The population variance is 17.9. (Simplify your answer. Round to the nearest tenth as needed.) The population standard deviation is. (Simplify your answer. Round to the nearest tenth as needed.)
← The numbers of regular season wins for 10 football teams in a given season are given below. Determine the range, mean, variance, and standard deviation of the population data set. 2, 10, 15, 4, 12, 9, 13, 10, 5, 7 The range is 13. (Simplify your answer.) The population mean is 8.7. (Simplify your answer. Round to the nearest tenth as needed.) The population variance is 15.6. (Simplify your answer. Round to the nearest tenth as needed.) The population standard deviation is (Simplify your answer. Round to the nearest tenth as needed.)

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