Does this historgram follow a normal distributon and why?Based on the histogram, how many pigs have a weight greater than 150 lbs? Percentage of Pigs of a certain weight350300250200150100501 35 7 9 11 13 15 17 19 21 23 25 27 29 31 33 35 37 39 41 43 45 47 49 51 53 55Percentage of PigsWeight in Ibs.

Given a histogram showing the percentage of pigs and their weights in lbs.

Answered: Does this historgram follow a normal…

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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Please use the accompanying Excel data set or accompanying Text file data set when completing the following exercise. A machine produces metal rods used in an automobile suspension system. A random sample of 15 rods is selected and the diameter is measured. The resulting data (in millimeters) are as follows: No. 2 3 4 6 7 9. 10 11 12 13 14 15 Dia. 8.28 8.19 8.23 8.25 8.26 8.23 8.20 8.26 8.19 8.23 8.20 8.28 8.24 8.25 8.24 Use the data above to calculate a 95% two-sided confidence interval on the mean rod diameter. Assume the data are normally distributed. (a) Calculate the sample mean and standard deviation. Round the sample mean and the sample standard deviation to 2 and 3 decimal places respectively (e.g. 98.76 and 98.765). i S = (b) Calculate the 95% two-sided confidence interval on the true mean rod diameter. Round you answers to 3 decimal places (e.g. 98.765). i Statistical Tables and Charts
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Does this historgram follow a normal distributon and why? Based on the histogram, how many pigs have a weight greater than 150 lbs?