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. LOADING... Click the icon to view the data. 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? a. Compute the mean, median, and mode. The mean for 60-second ads is 5.15.1. (Type an integer or decimal rounded to two decimal places as needed.) The mean for 30-second ads is 4.94.9. (Type an integer or decimal rounded to two decimal places as needed.) The median for 60-second ads is nothing. (Type an integer or decimal rounded to two decimal places as needed.) Brand Advertised Time of Ad (sec.) Score Company 1 60 6.95 Company 2 30 6.60 Company 3 30 6.56 Company 4 30 6.46 Company 5 30 6.29 Company 6 30 6.14 Company 7 60 6.12 Company 8 60 6.04 Company 9 60 6.06 Company 10 30 5.90 Company 11 60 5.73 Company 12 60 5.62 Company 13 60 5.62 Company 14 30 5.62 Company 15 30 5.55 Company 16 30 5.43 Company 17 60 5.42 Company 18 30 5.30 Company 19 60 5.31 Company 20 30 5.26 Company 21 30 5.25 Company 22 60 5.20 Company 23 30 5.22 Company 24 30 5.22 Company 25 30 5.07 Company 26 30 5.06 Company 27 60 5.10 Company 28 30 5.05 Company 29 30 4.96 Company 30 30 4.89 Company 31 30 4.86 Company 32 60 4.84 Company 33 30 4.75 Company 34 60 4.75 Company 35 30 4.70 Company 36 30 4.70 Company 37 30 4.70 Company 38 30 4.63 Company 39 30 4.61 Company 40 30 4.51 Company 41 30 4.41 Company 42 30 4.43 Company 43 30 4.36 Company 44 30 4.36 Company 45 30 4.21 Company 46 60 4.18 Company 47 30 4.17 Company 48 30 4.09 Company 49 30 4.09 Company 50 30 3.90 Company 51 30 3.82 Company 52 30 3.55 Company 53 30 3.55 Company 54 30 3.54 Company 55 60 3.46 Company 56 60 3.28 Company 57 60

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. LOADING... Click the icon to view the data. 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? a. Compute the mean, median, and mode. The mean for 60-second ads is 5.15.1. (Type an integer or decimal rounded to two decimal places as needed.) The mean for 30-second ads is 4.94.9. (Type an integer or decimal rounded to two decimal places as needed.) The median for 60-second ads is nothing. (Type an integer or decimal rounded to two decimal places as needed.) Brand Advertised Time of Ad (sec.) Score Company 1 60 6.95 Company 2 30 6.60 Company 3 30 6.56 Company 4 30 6.46 Company 5 30 6.29 Company 6 30 6.14 Company 7 60 6.12 Company 8 60 6.04 Company 9 60 6.06 Company 10 30 5.90 Company 11 60 5.73 Company 12 60 5.62 Company 13 60 5.62 Company 14 30 5.62 Company 15 30 5.55 Company 16 30 5.43 Company 17 60 5.42 Company 18 30 5.30 Company 19 60 5.31 Company 20 30 5.26 Company 21 30 5.25 Company 22 60 5.20 Company 23 30 5.22 Company 24 30 5.22 Company 25 30 5.07 Company 26 30 5.06 Company 27 60 5.10 Company 28 30 5.05 Company 29 30 4.96 Company 30 30 4.89 Company 31 30 4.86 Company 32 60 4.84 Company 33 30 4.75 Company 34 60 4.75 Company 35 30 4.70 Company 36 30 4.70 Company 37 30 4.70 Company 38 30 4.63 Company 39 30 4.61 Company 40 30 4.51 Company 41 30 4.41 Company 42 30 4.43 Company 43 30 4.36 Company 44 30 4.36 Company 45 30 4.21 Company 46 60 4.18 Company 47 30 4.17 Company 48 30 4.09 Company 49 30 4.09 Company 50 30 3.90 Company 51 30 3.82 Company 52 30 3.55 Company 53 30 3.55 Company 54 30 3.54 Company 55 60 3.46 Company 56 60 3.28 Company 57 60

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Description: 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. LOADI

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Click the icon to view the data.

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?

a. Compute the mean, median, and mode.

The mean for 60-second ads is

5.15.1.

(Type an integer or decimal rounded to two decimal places as needed.)

The mean for 30-second ads is

4.94.9.

(Type an integer or decimal rounded to two decimal places as needed.)

The median for 60-second ads is

nothing.

(Type an integer or decimal rounded to two decimal places as needed.)

Brand Advertised	Time of Ad (sec.)	Score
Company 1	60	6.95
Company 2	30	6.60
Company 3	30	6.56
Company 4	30	6.46
Company 5	30	6.29
Company 6	30	6.14
Company 7	60	6.12
Company 8	60	6.04
Company 9	60	6.06
Company 10	30	5.90
Company 11	60	5.73
Company 12	60	5.62
Company 13	60	5.62
Company 14	30	5.62
Company 15	30	5.55
Company 16	30	5.43
Company 17	60	5.42
Company 18	30	5.30
Company 19	60	5.31
Company 20	30	5.26
Company 21	30	5.25
Company 22	60	5.20
Company 23	30	5.22
Company 24	30	5.22
Company 25	30	5.07
Company 26	30	5.06
Company 27	60	5.10
Company 28	30	5.05
Company 29	30	4.96
Company 30	30	4.89
Company 31	30	4.86
Company 32	60	4.84
Company 33	30	4.75
Company 34	60	4.75
Company 35	30	4.70
Company 36	30	4.70
Company 37	30	4.70
Company 38	30	4.63
Company 39	30	4.61
Company 40	30	4.51
Company 41	30	4.41
Company 42	30	4.43
Company 43	30	4.36
Company 44	30	4.36
Company 45	30	4.21
Company 46	60	4.18
Company 47	30	4.17
Company 48	30	4.09
Company 49	30	4.09
Company 50	30	3.90
Company 51	30	3.82
Company 52	30	3.55
Company 53	30	3.55
Company 54	30	3.54
Company 55	60	3.46
Company 56	60	3.28
Company 57	60

Definition Definition Measure of central tendency that is the value that occurs most frequently in a data set. A data set may have more than one mode if multiple categories repeat an equal number of times. For example, in a data set with five item—3, 5, 5, 29, 473—the mode is 5 because it occurs twice and no other value occurs more than once. On a histogram or bar chart, the element with the highest bar represents the mode. Therefore, the mode is sometimes considered the most popular option. The mode is useful for nominal or categorical data (e.g., the most common color car that users purchase), but it is problematic for continuous data because it is more likely not to have any value that is more frequent than the other.

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