Question

20 friends compared the number of text messages they sent in a day. The results are represented in the table below:

Number of texts sent .............................Frequency


1-5 ----------------------------------------------------> 2

6-10 ----------------------------------------------------> 4

11-15 ----------------------------------------------------> 5

16-20 ----------------------------------------------------> 8

21-25 ----------------------------------------------------> 1



A.) Calculate an estimate if the mean

Answer 1

4

Explanation:

Add up all the numbers in the frequency table then whatever your mean average is divide that by 5 because there are 5 numbers.

2+4+5+8+1

20/5=4