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Count how much change you have on you right now.

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Asked: Jul 14,2019 In: sampling
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name tutor Punditsdkoslkdosdkoskdo
Asked: Jul 14,2019 In: sampling

Count how much change you have on you right now.

Count how much change you have on you right now.

​a) Suppose you check on your change every day for a week as you head for lunch and average the results. What parameter would this average​ estimate?

​b) Suppose you ask 10 friends to average their change every day for a​ week, and you average those 10 measurements. What is the population​ now? What parameter would this average​ estimate?

​c) Do you think these 10 average change amounts are likely to be representative of the population of change amounts in your​ class? In your​ college? In the​ country? Why or why​ not?


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tutor Added an answer on Jul 14,2019

a. This average would estimate the true mean amount of change you typically carry.

b. This average would estimate the true mean amount of change your friends typically carry. The population increases from yourself to your friends.

c. This average is possibly representative of a​ class, but not representative for larger groups. Your classmates are likely to have similar needs for change during the day.

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