Problem
The marks for 10 students are given as follow: 9 8 5 8 3 4 7 8 6 7
a) Calculate the mean, median and mode.
b) Calculate the first quartile, third quartile, and interquartile range. Interpret these values.
c) Calculate the sample standard deviation and interpret this value.
d) What is the main advantage of the sample standard deviation over the sample variance as a measure of variability?
The response should include a reference list. Double-space, using Times New Roman 12 pnt font, one-inch margins, and APA style of writing and citations.