Question

The marks obtained (out of 20) by 30 students of a class in a test are as follows:
14, 16, 15, 11, 15, 14, 13, 16, 8, 10, 7, 11, 18, 15, 14, 19, 20, 7, 10, 13, 12, 14, 15, 13, 16, 17, 14, 11, 10, 20
a) Prepare a frequency distribution table for the above data using class intervals such as 4–8 (8 not included)
b) Prepare a histogram for the above data
no spamming (20 points)

Answer 1

Mark Tally mark frequently
7---------—-------2----------2
8-------------------1---------1
10------------------3--------3
11-------------------3--------3
12------------------1---------1
13------------------3--------3
14------------------5--------5
15-----------------4----------5
16------------------3---------3
17------------------1---------1
18------------------1---------1
19-----------------1-----------1
20---------------2-----------2=34.

a yes.
b

Answer 2

Answer:

sorry

Step-by-step explanation: