Question

11. Find the mean of the numbers:4-7, 9-1, 6-4,5-9, 9-4, 8-5, 8-6 and 7-6​.

Answer 1

Answer:

total numbers=8

so,

[(4-7)+(9-1)+(6-4)+(5-9)+(9-4)+(8-5)+(8-6)+(7-6)]/8

=[(-3)+8+2+(-4)+5+3+2+1]/8

=14/8

=7/4 or 1.75

hence, the mean of these numbers is 7/4 or 1.75

Step-by-step explanation:

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