Examlex
Match the following queries with the action they would perform:
I. Append
II. Delete
III. Make Table
IV. Crosstab
V. Find duplicates
A. Remove records from a table
B. Display trends over time
C. Find repeat customers
D. Select records, then create a new table for them
E. Add records from another table
Margin of Error
The margin of error is a statistic expressing the amount of random sampling error in a survey's results, indicating the range within which the true population parameter is expected to lie with a certain level of confidence.
Standard Deviation
a statistic that measures the dispersion of a dataset relative to its mean, indicating how spread out the numbers are.
Gas Stations
Retail establishments that sell fuel and often other services or goods for motor vehicles.
Significance Level
the probability of rejecting the null hypothesis when it is true, used as a criterion for deciding the outcome of a statistical test.
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