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Televisions in the Household A researcher with A. C.
Chapter 2, Problem 29E(choose chapter or problem)
Problem 29E
Televisions in the Household A researcher with A. C. Nielsen wanted to determine the number of televisions in households. He conducts a survey of 40 randomly selected households and obtains the following data.
1 |
1 |
4 |
2 |
3 |
3 |
5 |
1 |
1 |
2 |
2 |
4 |
1 |
1 |
0 |
3 |
1 |
2 |
2 |
1 |
3 |
1 |
1 |
3 |
2 |
3 |
2 |
2 |
1 |
2 |
3 |
2 |
1 |
2 |
2 |
2 |
2 |
1 |
3 |
1 |
Source: Based on data from the U.S. Department of Energy |
(a) Are these data discrete or continuous? Explain.
(b) Construct a frequency distribution of the data.
(c) Construct a relative frequency distribution of the data.
(d) What percentage of households in the survey have 3 televisions?
(e) What percentage of households in the survey have 4 or more televisions?
(f) Construct a frequency histogram of the data.
(g) Construct a relative frequency histogram of the data.
(h) Describe the shape of the distribution.
Questions & Answers
QUESTION:
Problem 29E
Televisions in the Household A researcher with A. C. Nielsen wanted to determine the number of televisions in households. He conducts a survey of 40 randomly selected households and obtains the following data.
1 |
1 |
4 |
2 |
3 |
3 |
5 |
1 |
1 |
2 |
2 |
4 |
1 |
1 |
0 |
3 |
1 |
2 |
2 |
1 |
3 |
1 |
1 |
3 |
2 |
3 |
2 |
2 |
1 |
2 |
3 |
2 |
1 |
2 |
2 |
2 |
2 |
1 |
3 |
1 |
Source: Based on data from the U.S. Department of Energy |
(a) Are these data discrete or continuous? Explain.
(b) Construct a frequency distribution of the data.
(c) Construct a relative frequency distribution of the data.
(d) What percentage of households in the survey have 3 televisions?
(e) What percentage of households in the survey have 4 or more televisions?
(f) Construct a frequency histogram of the data.
(g) Construct a relative frequency histogram of the data.
(h) Describe the shape of the distribution.
ANSWER:
Solution
Step 1 of 8
a) We have to tell the given data is discrete or continuous
The given data is regarding to no.of televisions in the household
The no.of televisions are specific values
Hence the given data is discrete