Calculate SS, variance, and standard deviation for the following sample of n = 9 scores.4, 16, 5, 15, 12, 9, 10, 10, 9Note: The computational formula works best with these scores.SS:Variance:Standard deviation:

4,16,5,15,12,9,10,10,9sample size(n)=9

Answered: Calculate SS, variance, 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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Calculate the mean of the following set of numbers, SHOW YOUR WORK: 25,22,26,24,21,29,26,20,28,23 Mean:____________ Calculate the variance from the above values, SHOW YOUR WORK. X X - Mean (X - Mean)2 25 22 26 24 21 29 26 20 28 23 TOTAL Variance:____________ Calculate the standard deviation from the above values, SHOW YOUR WORK. Calculate the mean of the following values, SHOW YOUR WORK: 82,85,90,86,91,90,81,86,94,89. Mean: ___________ Calculate the variance from the above values (question 4), SHOW YOUR WORK. X X - Mean (X - Mean)2 82 85 90 86 91 90 81 86 94 89 TOTAL…
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Consider the following data x -4,-3,-2,-1,0 P(X=x) 0.3,0.1,0.2,0.1,0.3 Find the variance. Round your answer to one decimal place.
Researchers looked at the average number of hours of sleep per day in a group of 8 college professors. Calculate the range, standard deviaion, and variance, for the dataset below. X = {6, 6, 5, 7, 5, 4, 8, 5} a. range = 4 standard deviation (sample) = 1.28 variance (sample) = 1.64 b. range = 5 standard deviation (sample) = 5 variance (sample) = 5.5 c. range = 4 standard deviation (sample) = 1.28 variance (sample) = 1.28 d. range = 4 standard deviation (sample) = 1.64 variance (sample) = 1.28
Dro 9. ed below are the amounts (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the range, variance, and standard deviation for the agiven sample data, Include appropriate units in the results. Are there any outliers, and are they likely to have much of an effect on the measures of variation? 37 50 50 65 65 85 95 170 185 220 260 350 500 1750 2500 The range of the sample data is (1)- (Type an integer or a decimal. Do not round.) The standard deviation of the sample data is (Round to one decímal place as needed.) (2) – The variance of the sample data is (3) (Round to one decimal place as needed.) Are there any outliers and, if so, are they likely to have much of an effect on the measures of variation? O A. Yes, the smallest amounts are much lower than the rest of the data, and appear to be outliers. It is not likely that these are having a large effect on the measures of variation. O B. No, there are not any outliers. O C. Yes, the largest amounts…
Perform each task, given the following sample data. (Round your answers to one decimal place.) 6 11 12 12 10 17 9 (a) Use the Sample Variance Definition to find the variance and standard deviation of the data. variance standard deviation (b) Use the Alternative Formula for Sample Variance to find the variance and standard deviation of the data. variance standard deviation
Use the magnitudes (Richter scale) of the 120 earthquakes listed in the accompanying data table. Use technology to find the range, variance, and standard deviation. If another value, 8.00, is added to those listed in the data set, do the measures of variation change much? 3.272.452.542.432.752.372.192.421.911.432.851.731.992.322.332.704.742.873.382.722.833.423.952.993.873.473.082.942.703.602.842.373.033.232.593.643.242.662.352.432.813.952.522.922.983.412.272.562.933.162.201.151.934.002.542.832.352.311.522.801.951.602.452.332.081.553.201.491.812.551.662.352.452.082.192.752.002.792.392.671.692.881.841.991.862.561.972.183.671.553.162.461.881.502.793.283.822.752.452.712.541.642.183.032.361.481.922.322.651.411.391.802.242.302.481.732.402.442.482.44
A developmental psychologist is interested in studying how long babies gaze at a photograph of a human face. To test this question, she shows a picture to a sample of six babies and records the length of their gaze in seconds. The data are as follows: 12, 17, 18, 20, 20, 29. Calculate the mean, median, mode, range, variance and standard deviation for the sample.
Consider the following data: −10, −10, 0, 3, −10, 3, 3 Step 1 of 3: Calculate the value of the sample Variance. Round your answer to one decimal place. Step 2 of 3: Calculate the value of the sample deviation. Round your answer to one decimal place. Step 3 of 3: Calculate the value of the range.
Calculate SS, variance, and standard deviation for the following sample of n = 5 scores: 2, 9, 5, 5, 9 Note: The definitional formula for SS works well with these scores. SS: Variance: Standard deviation: 044

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Calculate SS, variance, and standard deviation for the following sample of n = 9 scores. 4, 16, 5, 15, 12, 9, 10, 10, 9 Note: The computational formula works best with these scores. SS: Variance: Standard deviation: E