Answer:
(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.
Answer:
An Arc
Step-by-step explanation:
Number D is the correct answer I think
Answer:
16:10, 4:2.5, 24:15
Step-by-step explanation:
i multiplied each value by 2 and 3 and on the second one i divided by 2
brainliest pls