A random sample is defined as
a. a sample obtained in such a way that each possible sample of varying sizes of n has an equal probability of being selected.
b. a sample obtained in such a way that each possible sample of fixed size n has an unequal probability of being selected.
c. a sample obtained in such a way that each possible sample of fixed size n has an equal probability of being selected.
d. a sample obtained in such a way that each possible sample of varying sizes of n has an unequal probability of being selected.
Question 2
Importing data from an external database into Excel using Microsoft Query is a three-step process. What are the steps?
a. Delete missing observations, use Microsoft Query to define a query, and return the data to Excel.
b. Define the source, use Microsoft Query to define a query, and return the data to the original, external database.
c. Define the sources, use Microsoft Query to define a query, and return the data to Excel.
d. Open Excel, use Microsoft Query to define a query, and return the data to Excel.
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