moneyshi68
22.04.2021 •
Mathematics
a teacher is experimenting with computer- based instruction. In which situation could the teacher use a hypothesis test for a difference in two population means
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Ответ:
(i) She gives each student a pretest. Then she teaches a lesson using a computer program. Afterwards, she gives each student a posttest. The teacher wants to see if the difference in scores will show an improvement.
Step-by- Step
The situation is a case of matched or paired samples since the samples are dependent. The two measurements are drawn from the same pair of individuals The parameter that is tested using matched pairs is the population mean and this is what teacher intends to use a hypothesis test for.
Ответ: