on.instructure.com/courses/3255739/quizzes/8154089/take ... article An instructor of statistics notices that their class is not scoring what they typically score on an exam. In the past their mean score was 81, standard deviation was 4.5. They need to explore the class data as a whole and see ared SPSS what the trends are, in terms of central tendency and spread/variability. portion ents Calculate the mean and standard deviation of the following data that ared: Definit represents exam scores, using any method you see fit (by hand, calculator online, excel; rounding error is okay). Then, interpret the meaning of that robability vs finding in words. What does this instructor know about their class score xpected Valu trends? What do you think explains or drives this conclusion? (10 points). e Odds ce of Events 27 99 ly Outcomes 80 48 with a home 71 If the probab 78 0.49, what is Florida this y 85 91 itton 67 tions 74