Student Midterm Final Adam 91 98 Brian 83 90 Claire 94 79 David 85 80 Eva 87 95 Franklin 79 76 Laura 78 74 Nancy 87 99 a) What is the sample mean midterm grade? What is the sample mean final exam grade? c) What is the sample standard deviation midterm grade? d) What is the sample standard deviation final grade? What is the median midterm grade? f) What is the median final grade? g) Compute the z-value for each final exam score. a. Are there any outliers? h) At least what proportion of final exam observations must fall within 2 standard deviations according to Chebychey's Theorem? a. How does this compare with the proportion of the sample that actually. does fall within 2 standard deviations? What is the 80th percentile for the midterm grade? Put this number into words. What is the sample correlation coefficient between the midterm and final grades