Calculate the standard deviation from the following data :Size of itemFrequencySize of itemFrequency6.310711589.1249.13

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Answered: Calculate the standard deviation from…

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 variance and standard deviation of the data below: Classes 1-10 11 - 20 21-30 31-40 41 - 50 51 - 60 61 - 70 71-80 81-90 Frequency 3 6 5 3 10 7 6 5 5
(b) Calculate the mean, median mode and standard deviation for the following data: 4600- 4800 75 4800- 5000 5000- 5200 5200- 5400 50 4000- 4400- Class size 4200 22 4200- 4400 38 4600 Freque 65 80 70
Find the sample standard deviation for the following Grouped Frequency Data Table (GFDT). Lower Class Limit Upper Class Limit Frequency 40 44 1 45 49 8 50 54 3 55 59 4 60 64 6 65 69 11 70 74 2 75 79 9 80 84 5
The mean and standard deviation marks of 4 different classes of the same grade are recorded in the table below. Mean mark Standard deviation Class 1 Class 2 Class 3 83 9 78 5 71 14 Class 4 64 5 Using the coefficient of variation, determine which class has marks that more spread out about the mean. A. Class 1 B. Class 2 C. Class 3 D. Class 4
calculate the standard deviation for the following data set 2 4 3 7 2 roundup to 2 deciamal digits
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Find the mean and standard deviation of the following list of weights(in pounds) of boston terriers at a per store: 9,18,13,14,18,7,6,12,17,20 CS Scanned with CamScanner
MY DATA 2.54 Raisins The number of raisins in each EX0254 of 14 miniboxes (1/2-ounce size) was counted for a generic brand and for Sunmaid brand raisins. The two data sets are shown here: Generic Brand Sunmaid 25 26 25 28 25 29 24 24 26 28 28 27 28 24 28 22 26 27 24 25 25 28 30 27 26 26 28 24 a. What are the mean and standard deviation for the generic brand? b. What are the mean and standard deviation for the Sunmaid brand? c. Compare the centers and variabilities of the two brands using the results of parts a and b. 2.55 Raisins, continued Refer to Exercise 2.54. a. Find the median, the upper and lower quartiles, and the IQR for each of the two data sets. b. Construct two box plots on the same horizontal scale to compare the two sets of data. c. Draw two stem and leaf plots to depict the shapes of the two data sets. Do the box plots in part b verify these results? d. If we can assume that none of the boxes of raisins are being underfilled (that is, they all weigh approximately 1/2…
Find the standard deviation (rounded to the nearest unit) for the data indicated. clients Date No. of Clients Oct. 23 12 Oct. 24 9 Oct. 25 11 Oct. 26 15 Oct. 27 11 Oct. 28 8

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Calculate the standard deviation from the following data : Size of item Frequency Size of item Frequency 3 10 8 7 11 5 8 9. 12 4 9. 13