Answer & Explanation:Answer questions 1
& 2:
Question 1.
A random sample of 15
articles in Fortune revealed the following word counts per article:
5,176
6,005
5,052
5,310
4,188
4,132
5,736
5,381
4,983
4,423
5,002
4,573
4,209
5,611
4,568
Compute the mean, median, first quartile, and third quartile for these sample
data.
Question 2.
A manager for the Jiffy Lube in Saratoga, Florida, has
collected data on the number of customers who agreed to purchase an air filter
when they were also having their oil changed. The sample data are shown as
follows:
21
19
21
19
19
20
18
12
20
19
17
14
21
22
25
21
22
23
10
19
25
14
17
18
a.
Compute
the mean, median, and mode for these data.
b.
Indicate whether the data are skewed or
symmetrical.
c.
Construct a box and whisker plot for these data. Does the box plot support your conclusion about
skewness? Explain