Question

A survey is conducted regarding the media viewing habits of small children, and its affect on the family as a whole. The table below summarizes the responses to the question "Approximate the number of times you/your children have seen the movie Frozen."

Response (# of times watched Frozen) |
Frequency |

1-5 |
12 |

6-10 |
16 |

11-15 |
22 |

16-20 |
30 |

21-25 |
26 |

26-30 |
15 |

a. Find the relative frequency for the response "between 6 and 10 times." Round your answer to 2 decimal places.

b. Estimate the average number of times a family with small children has seen Frozen. Round your answer to 2 decimal places.

c. Find the median number of times a family with small children has seen Frozen.

Answer #1

A local anime fan club surveyed its members regarding their
viewing habits last weekend, and the following information was
obtained: 39 members had watched an episode of Naruto, 42 had
watched an episode of Death Note, 26 had watched both an episode of
Naruto and an episode of Death Note, and 17 had watched neither
Naruto nor Death Note. (Round your answers to three decimal
places.)
(a) What percent of the club members had watched Naruto or
Death Note?
(b)...

Arbitron Media Research Inc. conducted a study of the iPod
listening habits of men and women. One facet of the study involved
the mean listening time. It was discovered that the mean listening
time for a sample of 13 men was 45 minutes per day. The standard
deviation was 11 minutes per day. The mean listening time for a
sample of 9 women was also 45 minutes, but the standard deviation
of the sample was 13 minutes. At the 0.10...

Arbitron Media Research Inc. conducted a study of the iPod
listening habits of men and women. One facet of the study involved
the mean listening time. It was discovered that the mean listening
time for a sample of 13 men was 35 minutes per day. The standard
deviation was 8 minutes per day. The mean listening time for a
sample of 11 women was also 35 minutes, but the standard deviation
of the sample was 18 minutes. At the 0.10...

Arbitron Media Research Inc. conducted a study of the iPod
listening habits of men and women. One facet of the study involved
the mean listening time. It was discovered that the mean listening
time for a sample of 9 men was 33 minutes per day. The standard
deviation was 7 minutes per day. The mean listening time for a
sample of 21 women was also 33 minutes, but the standard deviation
of the sample was 18 minutes. At the 0.10...

According to Nielsen Media Research, the average number of hours
of TV viewing by adults (18 and over) per week in the United States
is 36.07 hours. Suppose the standard deviation is 8.7 hours and a
random sample of 47 adults is taken.
a. What is the probability that the sample
average is more than 36 hours?
b. What is the probability that the sample average
is less than 36.8 hours?
c. What is the probability that the sample average...

A survey asked the question "What do you think is the ideal
number of children for a family to have?" 411 males and 343
females answered the survey and responded with a numeric response
from 0 to 6. The 411 males who responded had a mean of 3.18, and
standard deviation of 1.6, where the 343 females had a median of
2, a mean of 3.27 and a standard deviation of 1.69. The 95%
confidence interval for the female population...

To study how social media may influence the products consumers
buy, researchers collected the opening weekend box office revenue
(in millions of dollars) for 23 recent movies and the social media
message rate (average number of messages referring to the movie
per hour). The data are available below. Conduct a complete simple
linear regression analysis of the relationship between revenue (y)
and message rate (x).o study how social media may influence the
products consumers buy, researchers collected the opening weekend...

Question 5
In a survey on study habits, students at a local college were
asked whether they listened to music while studying. The following
table was constructed.
Listens to Music
Does Not Listen to Music
Male
49
16
Female
5
31
Find the probability that a randomly selected student listens to
music while studying given that the student is female.
Write only a number a your answer. Round to two decimal places
(for example: 0.73). Do not write as a...

To study how social media may influence the products consumers
buy, researchers collected the opening weekend box office revenue
(in millions of dollars) for 23 recent movies and the social media
message rate(average number of messages referring to the movie
per hour). The data are available below. Conduct a complete simple
linear regression analysis of the relationship between revenue (y)
and message rate (x).
Message Rate
Revenue ($millions)
1363.2
146
1219.2
79
681.2
67
583.6
37
454.7
35
413.9
34...

The clearness index was determined for the skies over Baghdad
for each of the 365 days during a particular year. The following
accompanying table summarizes the resulting data.
Clearness Index
Number of Days (frequency)
0.15 to <0.25
9
0.25 to <0.35
19
0.35 to <0.45
28
0.45 to <0.50
24
0.50 to <0.55
39
0.55 to <0.60
52
0.60 to <0.65
96
0.65 to <0.70
87
0.70 to <0.75
11
(a) Determine the relative frequencies and fill in the following...

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