Save Score: 2 of 3 pts 3 of 13 (5 complete) HW Score: 20.21%, 19 of 94 pt & Sect

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Save Score: 2 of 3 pts 3 of 13 (5 complete) HW Score: 20.21%, 19 of 94 pt & Section 2.2 Exercise 6 Question Help As part of the marketing group at a film studio, you are asked to find out the of your colleagues, you conduct exit interviews by randomly selecting people to question at 20 different movie theatres. From 478 responses, you construct the frequency/relative frequency table below. Complete parts a and b below age distribution of the audience of the studio's latest family friendly flim. With the help of 10 RangeUnder6 6 to 9 0 Relative Frequency | 10 6796 17 15% | 32 43% 0 C. About one third of the viewers were either 10 to 14 years old or older than 21 (32% and 36%, respectively). 10 to 1415 to 21 Over 21 19 requency 82 155 | 397% | 35.77% D. About one third of the viewers were either 6 to 9 years old or older than 21 (11% and 4%, respectively). Continue to summarize the distribution. Choose the correct answer below A. y B. c- D. About 36% were 10 to 14 years old, about 32% were younger than 6, and only about 17% were between 15 and 21 years old. About 17% were 6 to 9 years old, about 11% were younger than 6, and only about 4% were between 15 and 21 years old. About 4% were 6 to 9 years old, about 11% were younger than 6, and only about 17% were between 15 and 21 years old. About 17% were 10 to 14 years old, about 11% were younger than 6, and only about 4% were between 15 and 21 years old b) What possible problems do you see in concluding that the age distribution from these surveys accurately represents the ages of the national audience for this film? Select all that apply A. The audiences surveyed may not be representative B. Interviews were only conducted at one theatre. C. The viewe D. Certain age groups might have been more or less willing to answer questions. E. The locations or times of the interviews may not have been random. rs who were interviewed may not have been randomly selected Click to select your answer(s) and then click Check Answer Final Check Clear All All parts showing OK

Explanation / Answer

Answer a) B

B) A , D and E

B is not valid as there are 20 theaters from which the peoples are selected.

And C is not valid because from specified 20 theaters peoples are selected randomly.

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