1. The grade in Psychological Statistics of a class in a preliminary exam are as follows:GradesNo. ofDeviation(CI)studentsdfdfd?< cfwwww90 - 9287 - 89384 - 861081 - 831278 - 80153075 - 7772 - 749469 - 712C=n =fd =fd² =a. Solve for the following: Use the formula for grouped data.b. a. iс. b. Qзd. c. Q1e. d. Qf. s?g. SEXh. cvf.e. s

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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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1. The grade in Psychological Statistics of a class in a preliminary exam are as fo No. of students Grades Deviation (CI) d fd fd2 90 – 92 3 87 - 89 5 84 – 86 10 81 – 83 12 78 - 80 15 75 – 77 72 – 74 4 69 – 71 2 C = n = fd = fd² =