Examlex
A researcher who studies different age groups, or cohorts, at one time is using the cross-sectional design.
Credit Card Customers
Individuals who have been issued a credit card by a bank or other financial institution and utilize it for transactions.
Average Amount
An alternative expression for mean, representing the central or typical value in a set of data.
T-Test
A statistical hypothesis test used to compare the mean values of a group under two different conditions.
Sampled Population
The subset of individuals or items selected from the entire population for the purpose of statistical analysis.
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