federal government had the means to survey all high school seniors in the U.S. Fifty percent answer yes to this question that fifty percent is a:Ĩ. One question asks whether they are planning to attend a four-year college or university in the following year. federal government conducts a survey of high school seniors concerning their plans for future education and employment. Describe a situation in which you would calculate a parameter, rather than a statistic.* * *ħ. “Number of visits per week” is what kind of data?Ħ. What kind of a sampling design is this?ĥ. They decide to ask every tenth customer on a specified day to complete a short survey including information about how many times they have visited the club in the past week.Ĥ.
A health club is interested in knowing how many times a typical member uses the club in a week. Use the following information to answer the next two exercises. This is an example of a:ġ.2: Data, Sampling, and Variation in Data and Sampling The study finds that the mean amount spent on produce per visit by the customers in the sample is $12.84. What kind of data is “amount of money spent on produce per visit”?ģ. Identify the population, sample, parameter, statistic, variable, and data for this example.Ģ. Using their store records, they draw a sample of 1,000 visits and calculate each customer’s average spending on produce.ġ. A grocery store is interested in how much money, on average, their customers spend each visit in the produce department. Use the following information to answer the next three exercises. Practice Tests (1-4) and Final Exams Practice Test 1 1.1: Definitions of Statistics, Probability, and Key Terms
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