Question content area top
Part 1
In recent​ years, there has been a great deal of interest in the ads that appear during a game. These ads vary in length with most lasting 30 seconds or 60 seconds. The accompanying table contains the ad length and ad scores from a recent game.

For the​ 30-second ads and the​ 60-second ads​ separately:
a. Compute the​ mean, median, and mode.
b. Compute the​ variance, standard​ deviation, range, and coefficient of variation.
c. Based on the mean and​ median, are the data​ skewed? If​ so, how?
d. Based on the results of​ (a) through​ (c), what conclusions can you reach about the scores of​ 30- and​ 60-second ads?

Brand Advertised Time of Ad (sec.) Score
Company 1 60 6.88
Company 2 30 6.65
Company 3 30 6.64
Company 4 30 6.51
Company 5 30 6.26
Company 6 30 6.20
Company 7 60 6.12
Company 8 60 6.08
Company 9 60 6.01
Company 10 30 5.94
Company 11 60 5.73
Company 12 60 5.59
Company 13 60 5.59
Company 14 30 5.59
Company 15 30 5.58
Company 16 30 5.43
Company 17 60 5.41
Company 18 30 5.29
Company 19 60 5.33
Company 20 30 5.25
Company 21 30 5.30
Company 22 60 5.22
Company 23 30 5.20
Company 24 30 5.20
Company 25 30 5.11
Company 26 30 5.12
Company 27 60 5.03
Company 28 30 5.06
Company 29 30 4.90
Company 30 30 4.92
Company 31 30 4.91
Company 32 60 4.83
Company 33 30 4.70
Company 34 60 4.70
Company 35 30 4.69
Company 36 30 4.69
Company 37 30 4.69
Company 38 30 4.60
Company 39 30 4.59
Company 40 30 4.48
Company 41 30 4.46
Company 42 30 4.45
Company 43 30 4.36
Company 44 30 4.36
Company 45 30 4.17
Company 46 60 4.21
Company 47 30 4.16
Company 48 30 4.13
Company 49 30 4.13
Company 50 30 3.92
Company 51 30 3.80
Company 52 30 3.57
Company 53 30 3.57
Company 54 30 3.55
Company 55 60 3.46
Company 56 60 3.30
Company 57 60 3.24