Statistics > STUDY GUIDE > MATH 221 Week 3 STAT Assignment.Questions With Answers.GRADED A (All)

MATH 221 Week 3 STAT Assignment.Questions With Answers.GRADED A

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A survey of 1272 pre-owned vehicle shoppers found that 8% bought the extended warranties. What is the population and what is the sample? Population: pre-owned vehicle shoppers; Sample: 1272 pre-owne... d vehicle shoppers Population: 1272 pre-owned vehicle shoppers: Sample: pre-owned vehicle shoppers Population: pre-owned vehicle shoppers; Sample: the 8% that bought extended warranties Population: 1272 pre-owned vehicle shoppers; Sample: the 8% that bought extended warranties See text page 3 Question 2 2 / 2 pts (CO 1) In asking all 349 second graders in a school district, it is found that on average, these second graders have 2.5 pets. Is this number a parameter or a statistic and why? Parameter as it represents the sample Statistic as it represents the sample Parameter as it represents the population Statistic as it represents the population See text page 4 Question 3 2 / 2 pts (CO 1) Classify the data of the number of customers at a restaurant. Qualitative Classical Quantitative Statistics See text page 9 Question 4 2 / 2 pts (CO 1) The data set that lists a company’s competitors and their locations would be classified as what type of data? Interval Ordinal Nominal Ratio See text pages 10-11 IncorrectQuestion 5 0 / 2 pts (CO 1) A data set that includes the number of products that were produced within each hour by a company would be classified as what type of data? Interval Ratio Nominal Ordinal [Show More]

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