Please answer number 4 in addition show the formula and working out of how you arrived with the Standard deviation As well as the Formula for the Mean show all working out Many students at popular school in Timbuktu have been complaining that there seemsto be some level of inconsistency with the marking of essays among teachers. Toverify if there is any truth to this, a group of students submitted the same essay todifferent teachers. The grade awarded by each teacher for each essay was recorded.Use the data below to answer the questions that follow.EssayQuarrieTaylorWilsonForbes16263656858606164363687258464656561606366676.626665597576771608.586865679.5969646210636067661165646263126161736413606265681459686870155766697116566360681762606169* The above data is also available in excel format on the course page. Calculate one (1) appropriatemeasure of central tendencyusing the data for each teacherand explain your choice.4*There are a total of fourteachers, so there should be atotal of four measure of centraltendencies.Use the data to generate anythree (3) appropriate graphs.*You answer should include atotal of three graphs.5Is the mean score for each teacherthe best measure of centraltendency to confirm whether ornot there is inconsistency with themarking of essays amongteachers?Compute and explain skewnessof the grades for any two (2)teachers using Pearson's 1st7measure of skewness.*This means that you shouldhave only two sets ofcalculations for this part of thequestion.*A total of two (curves).Hand-drawn curves are

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Answered: in addition show the formula and…

in addition show the formula and working out of how you arrived with the Standard deviation As well as the Formula for the Mean show all working out

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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