Math, asked by pargisp4799, 3 months ago

Observations arranged in ascending order – if the mean of -5, -4, 4, a,5, 7, 10 is 2 then the mean of numbers is a=________

explain....

Answers

Answered by bson

0

Answer:

a=-1

Step-by-step explanation:

sum of observations

mean = ________________

no. of observations

2 = 17+a /8

a=-1

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