4. Calculate the arithmetic mean of the following scores:
(a) 10, 32, 14, 42, 20, 22, 38, 34, 27, 16, 9, 18, 17, 25, 36.
(b) 3.8, 4.2, 3.3, 3.7, 4, 3.7, 4.6, 3.9, 4.4, 4.4.
Answers
Answered by
8
Answer:
AM = sum of the observation
---------------------------------
Number of the observation
=. 10+32+14+42+20+22+38+34+27+16+9+18+17+25+36
--------------_------------------------_--------------------------
15
=. 360
-------
15
AM =. 24
AM= Sum of the observation
----------------_---------------
Number of the observation
= 3.8+4.2+3.3+ 3.7+4+3.7+4.6+3.9+4.4+4.4
-------------------------------_-------------------------
10
=. 40
----------
10
AM = 4
Similar questions