Learning Tasks 1: Show me the Proof

Ask your classmates about their Science, English, and Mathematics grades consider the following grades 78 90 76 83 79 81 95 88 89 92. Gather all the data from your classmates
by listing. Then, construct a frequency distribution of a grouped data. (use i = 5).

1. Calculate the following:

a. 1st quartile

b. 4th decile

c. 60th percentile

d. percentile rank of 75

2. Interpret each result​