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:
0.32
:)
brainliest greatly appretiated
Answer:
Step-by-step explanation:
we know that
To find out the area of the sidewalk, multiply the length by the width of the sidewalk
The width of the sidewalk is equal to
or
The area is equal to
Answer:
It may be 9
Step-by-step explanation:
Solution:
Here,
Median = n+1/2th term
=5+1/2 th term
=6/2 th term
=3rd term
Now,
Arranging the data in ascending order...
Since, 9 is the third term. So, 9 is the median.....
Answer: 0.421, 0.422, 0.423, 0.43, 0.434
Step-by-step explanation:
