Question

The mean of 15 observations is 14 mean of first seven observations is 12 and the mean of last seven observations is 16 find the middle term

Answer 1

Answer:

the middle term is 14

14

Answer 2

Answer:14

Step-by-step explanation:

Let the middle term be x.

15*14=7*12+x+7*16

210=84+x+112

x=210-196

x=14