Question

plz ans fast plz plz plz plz ​

Answer 1

Answer:

C) 11 ⅓

.

Step-by-step explanation:

Given mean of 5 terms is 9

X;X+3;X+5;X+7&X+10

mean =

sum of observation / total no.Of observation

9= x+x+3+x+5+x+7+x+10/5

(cross multiplication)

45=5x+25

45-25=5x

20=5x

x=20/5

X=4

4;4+3;4+5;4+7;4+10

4;7;9;11;14

The last three terms are 9;11;14

Mean = 9+11+14/3

=34/3

=11⅓

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Answer 2

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