Calculate the sample standard deviation and sample variance for the following frequency distribution of final exam scores in a statistics class. if necessary, round to one more decimal place than the largest number of decimal places given in the data.
final exam scores
class frequency
61 - 68 3
69 - 76 14
77 - 84 2
85 - 92 14
93 - 100 8

Which of the following transformations will make coincide with ? a. counter-clockwise rotation 90º about a, followed by a translation 5 units to the right b. translation 5 units to the right, followed by a reflection across the y-axis c. translation 5 units to the right, followed by a reflection across the x-axis d. translation 1 unit up and 5 units to the right, followed by a reflection across the x-axis