FUNDAMENTALS OF COMPUTER

DATABASE FUNDAMENTALS

DATA WAREHOUSING AND DATA MINING

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Find the mean of these numbers:2, 57, 38, 42, 6
A
29
B
38
C
50
D
145
Explanation: 

Detailed explanation-1: -It’s obtained by simply dividing the sum of all values in a data set by the number of values. The calculation can be done from raw data or for data aggregated in a frequency table.

Detailed explanation-2: -Arithmetic mean of numbers 2, 4, 6, 8 and 10 is 6.

Detailed explanation-3: -In the question, the number of numbers is 8. So we have to divide 72 with 8 to get the mean. Therefore, we get the mean as. mean=728=9. Therefore, as we can see, we get the final answer for the question, find the mean of 2, 4, 6, 8, 10, 12, 14, 16 as 9.

There is 1 question to complete.