All of the following are examples of sampling as witnessed in everyday life, EXCEPT:
a. an interviewer making a judgment about a job candidate based on a good first impression.
b. a person flipping through television channels to find a program worth watching
c. a person test driving a car before buying
d. a person buying a house to live in with his family
e. a person flipping through pages of magazines at a book store to determine which magazine to buy.
Ans: d. a person buying a house to live in with his family
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The traditional financial intermediation role of banking has been to make ________-term loans and to fund them with ________-term deposits
A) short; long B) long; short C) short; short D) long; long
The office manager for an ophthalmologist wants to estimate the average time that the doctor spends with each patient in order to better schedule appointments. A random sample of 49 is taken and the sample mean is 20.3 minutes. Assume that the office
manager knows from past experience that the standard deviation is 14 minutes. She finds that a 95% confidence interval is between 18.3 and 22.3 minutes. What is the point estimate of the population mean? What is the confidence coefficient?