4. Fit a straight line to the following data and compute the standard deviation.0.511.52.53.544.55y 3.076 2.810 2.588 2.297 1.981 1.912 1.653 1.478 1.399 1.018 0.794

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Answered: straight line to the following data and…

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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What is the standard deviation?
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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
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100 92 77.5 76.5 76.5 92 90 74 80 74 89 73.5 88.5 72 71 87.5 69 87 66 86 87 86 86 85 81 781. Compute for the mean and the standard deviation. 2. What is the proportion above 87.5? 3. What is the proportion between 80 and 87? 4. What is the CEEB score of 74? 5. What is the Deviation IQ for a T of 37.5? 5______ Classify the student/s performance who got a score of 74? a) Poor b) below Ave c) Average d) Above Average e) Superior 5. What is the score equivalent to 96 percentile? _____ 6. What is D5? 7. What is D8? 8. Is the data set a normal distribution? Justify

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straight line to the following data and compute the standard deviation. 0.5 1.5 2 2.5 3 3.5 4 4.5 .076 2.810 2.588 2.297 1.981 1.912 1.653 1.478 1.399 1.018 0.7