Answer:

1. 75th percentile

>Also known as the third.

2. 5th percentile

>weighs less than 95% of other babies of that age.

3. 60th percentile

> you score better than only 60% of the test takers.

>taking the average of that value in your data set (56) and the next ranked value (67). (56 + 67) / 2 = 61.5.

4. 40th percentile

>50 is the 40th percentile.

>Divide the percentile that you are looking for by 100.

4. 90th percentile

>scored better than 90% of people who took the test.

>Multiply the number of samples by 0.9: 0.9 X 10 samples = 9.

I hope it helps:).