The utility company in the city of Harperville serves 20,000 residential addresses.  The company wants to gauge interest in a “Beat the Peak” program which offers consumers a discount in exchange for limited electricity usage during peak hours.  Unknown to the utility company, 18% of its 20,000 residential customers would participate in such a program. Since the company does not know the level of interest among its customers, the company selects every 40th account from an alphabetical

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The utility company in the city of Harperville serves 20,000 residential addresses.  The company wants to gauge interest in a “Beat the Peak” program which offers consumers a discount in exchange for limited electricity usage during peak hours.  Unknown to the utility company, 18% of its 20,000 residential customers would participate in such a program.

Since the company does not know the level of interest among its customers, the company selects every 40th account from an alphabetical listing of residential account holders, starting with the 23rd name.  Of the 500 subscribers selected, 16% express interest in the “Beat the Peak” program.

 

The utility company notes that, in the sample, there were at least 4 customers not interested for every 1 customer that was interested.  This statement reflects                             ["", "", "", "", ""]           

 

Based on the sample, the utility company concludes that over 10% of its 20,000 residential accounts are interested in the “Beat the Peak” program.   This statement reflects 

 

AC

nonresponse 

seasonal variation

census

statistical inference

descriptive statistics

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