|Teacher/User Name: DEMO||Name:__________________________|
|Practice Problems||Period: ________ Date: ____________|
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|1) ||26 sports enthusiasts were randomly selected out of 453 sports enthusiasts. It was determined that they spent $28.71 on haircuts. What is the amount of money spent on haircuts by each of the 26 sports enthusiasts an example of?
||2) ||In a community of 104 homeowners, 13 were randomly selected and asked the amount of money they spend on lunch each day. From this group a mean of $30.26 was computed. What is an example of a parameter?|
|3) ||23 homeowners spent an average of $28.87 on books. We are interested in the entire population of 255 homeowners. What is the mean amount of money spent by all the homeowners an example of?
||4) ||37 homeowners were randomly selected out of 419 homeowners. It was determined that they spent $7.13 on electricity each day. What is a value of $9.68 spent by just one of the homeowners an example of?|