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Section 3.1 Homework Question 3
Section 3.1 Homework
3. Find the (a) mean, (b) median, (c) mode, and (d) midrange for the data and then (e) answer the given questions.
Find the mean.
The mean is
Find the median.
The median is
Find the mode.
Select the correct choice below and, if necessary, fill in the answer box to complete your choice.
- The mode(s) is(are) ______
- There is no mode.
Are the resulting statistics representative of the population of all TVs that are 60 inches and larger? Choose the best answer below.
- Since the sample is random and the sample size is greater than 10, the sample should not be considered to be representative of the population.
- The sample consists of the “best buy” TVs, so it is not a random sample and is not likely to be representative of the population.
- The sample consists of the “best buy” TVs, so it is a random sample and is likely to be representative of the population.
- Since the sample is random and the sample size is greater than 10, the sample can be considered to be representative of the population.
If you decide to buy one of these TVs, what statistic is most relevant, other than the measures of central tendency? Choose the best answer below.
- The difference between the lowest price and the highest price is a relevant statistic for someone planning to buy one of the TVs.
- The lowest price is a relevant statistic for someone planning to buy one of the TVs.
- The highest price is a relevant statistic for someone planning to buy one of the TVs.
- The price that occurs least frequently is a relevant statistic for someone planning to buy one of the TVs.