Consider the following data said consisting of test scores of students in math class

Question

3, 18, 20, 52, 56, 57, 59, 61 ,63

64,64,65,67,68,68,69,72,74

74,75,75,77,79,79,80,80,90

a. Obtain the five number summary

b. Calculate the lower fence and upper fence

c. Check for any outliers using fences List the outliers separated by commas if there are no outliers type DNE

d. Create a box plot and indicate the fences and any outliers

e. For this frequency distribution which measure of the center is larger the median or the mean?

1. mean
2. ’median
3. median=mean

f. The mean or median better describes the center of the doctor because the shape of this distribution is skewed right or skewed left or symmetric.

g. Complete the following sentence the test score does not exceed ______ for 75% of the students in this class.

h. The test score is at least ______ for 75% of the students in this class.

Answer 1

mean 63.2962963

var 401.2165242

stndev 20.03039002

outer fence 123.3874663

3.205126247

median 68