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urgent I ll give 30 coins
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Introductory Statistics
B | Practice Tests (1-4) and Final Exams
B | Practice Tests (1-4) and Final Exams
Practice Test 1
1.1: Definitions of Statistics, Probability, and Key Terms
Use the following information to answer the next three exercises. A grocery store is interested in how much money, on average, their customers spend each visit in the produce department. Using their store records, they draw a sample of 1,000 visits and calculate each customer’s average spending on produce.
1. Identify the population, sample, parameter, statistic, variable, and data for this example.
population
sample
parameter
statistic
variable
data
2. What kind of data is “amount of money spent on produce per visit”?
qualitative
quantitative-continuous
quantitative-discrete
3. The study finds that the mean amount spent on produce per visit by the customers in the sample is $12.84. This is an example of a:
population
sample
parameter
statistic
variable
Answer:
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