Examlex
A company is studying the number of daily debit card purchases. There were 20 purchases and the probability of a debit card purchase is 0.5. What is the standard deviation of the number of debit card purchases?
Test Norms
Statistical standards that describe the distribution of scores obtained by a specific group of test takers, which serve as a reference point to interpret individual scores.
Test Reliability
The degree to which an assessment tool produces stable and consistent results.
Test Outcome Data
Quantitative or qualitative information resulting from the administration of tests, used to measure performance, ability, or aptitude.
Standardised
Modified to conform to a set norm or standard, often to ensure consistency and comparability across different instances or cases.
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