Value:Frequency:Calculate the mean and standard deviation from the following data:80-8960-6950-5912201490-99270-792240-49430-391

Given that: Value: 90-99 80-89 70-79 60-69 50-59 40-49 30-39 Frequency 2 12 22 20 14 4 1

Answered: Value: Frequency: Calculate the mean…

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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n The gas mileages (in miles per gallon) for 26 cars are shown in the frequency distribution. Approximate the mean of the frequency distribution. Gas Mileage (in miles per gallon) Frequency 8 29-32 33-36 13 37-40 1 41-44 4 ... The approximate mean of the frequency distribution is (Round to one decimal place as needed.)
The gas mileages (in miles per gallon) for 38 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) 26-30 31-35 36-40 41-45 Frequency 13 14 4 7 0
Find the mean for the set of grouped data. The mean is (Round to two decimal places if needed.) Interval 0.5-2.5 2.5-4.5 4.5-6.5 6.5-8.5 Frequency 1 8 5 1
Please give the correct answer
Calculate the standard deviation of the following set of numbers (show your work): 5 5 7 8 10
The numbers of courses taught per semester by a random sample of university professors are 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. 25- 24 20- 17 16 15 10- 5- Number of courses taught per semester f 1 2 16 24 4 17 The sample mean is x = 2.9 (Round to one decimal place as needed.) The sample standard deviation is s = (Round to one decimal place as needed.) Number of professors
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Find the mean of the grouped frequency distribution. Interval Frequency 0-9 4 10-19 20-29 30-39 40-49 50-59 5 10 9 3 1 ESS D What is the mean of the grouped data? (Round to the nearest hundredth as needed.)
Fill in the Blanks: Applying Chebyshev's Rule to this distribution, we estimate that 75% or more of women with metastatic breast cancer will survive between __________ and __________ years (2 standard deviations from the mean).
Calculate the Mean for the following frequency distribution. Round the result of the mean to two decimal places. Límit Frequency 100 - 110 24 111 - 121 36 122 - 132 22 133 - 143 11 144 - 154 9 155 - 165 24
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
K A data set lists weights (lb) of plastic discarded by households. The highest weight is 5.26 lb, the mean of all of the weights is x=2.312 lb, and the standard deviation of the weights is s = 1.118 lb. a. What is the difference between the weight of 5.26 lb and the mean of the weights? b. How many standard deviations is that [the difference found in part (a)]? c. Convert the weight of 5.26 lb to a z score. d. If we consider weights that convert to z scores between 2 and 2 to be neither significantly low nor significantly high, is the weight of 5.26 lb significant? a. The difference islb. (Type an integer or a decimal. Do not round.) View an example Get more help. ... Clear all Check answer Incor

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Value: Frequency: Calculate the mean and standard deviation from the following data: 80-89 50-59 60-69 20 12 14 90-99 2 70-79 22 40-49 4 30-39 1