A clothing retail store offers a discount at the rate of 10% on the customer bill if the purchase exceeds $100. The owner of the store wishes to know the total amount that has been discounted on the customers' purchases on a particular day. The purchase amount for each of the 12 customers who visited the store on that day is given below. Use the IF and SUM functions to find the total amount discounted on this single day purchases.
Definitions:
Independent Variable
The factor in an experiment that is deliberately manipulated to examine its effect on a dependent variable.
Personality Test
An assessment tool designed to measure and evaluate a person's character or psychological makeup.
Reliability
In measurement, the tendency of an instrument to provide the same comparative information on repeated occasions.
Generalizability
The degree to which a measurement can be found under diverse circumstances, such as time, context, participant population, and so on. In modern psychometrics, this term includes both reliability and validity.
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