[solved]-Using The Expanded Frequency Distribution In Question 3 Find The Approximate Mean Of The Frequency Distribution And Its Standard Deviation Classes Frequency F Midpoint X Xf Xdisplaystyle Bar 21741

Using the expanded frequency distribution in question 3, findthe approximate mean of the frequency distribution and its standarddeviationclassesFrequency (f)Midpoint xx.fx{displaystyle {ar {x}}}2 1201212392405835977478596597715716834835953954107210731191Find the 5- number summary and draw the box-and-whisker plot ofthe data set in question 23. In a statistics class, Professor Charles wants tocompare the number of homework completed to final grades as shownin the table below.Homework completed (x)6843567Final grades (y)82855045708588xyxy345450570682685788892Fill out the table above, then find the correlation coefficient(r).To use excel technology to calculate, r, readslide # 25 on the powerpoint lecture notes 9.1Find the regression equation. ŷ = mx +b To use excel technology to calculate, m et b, readslide # 14 on the powerpoint lecture notes 9.24. The table below lists the grade from ProfessorGoodman’s statistics classesGradesABCDFTotalMales1261714756Females89138644Totals20153022131004.1 What is the probability that a randomly selected student gota A or B4.2 What is the probability that a randomly selected student gota A or the student is a female4.3. What is the probability that an “A” student is male? (hint:prob. Of A, given is male)4.4 What is the probability that if (given) a student was femalethat they got a passing grade? (hint : use complementprobability)4.5What is the probability of a male student given that theyfailed?

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