Question

The mean of 5 observations is 15. If 8, 7, 21 and 5 are four observations, the fifth observation is:- *​

Answer 1

Step-by-step explanation:

Hey Dear what's your question.......

PLZZ ask it clearly.....

PLZZ PLZZ PLZZ PLZZ Mark me as Brainliest

PLZZ FOLLOW ME

Answer 2

Answer:

here ur ans mate:-

Step-by-step explanation:

mean = total no. of observation upon no. of observation

15 = 8+7+21+5+x/5

15 = 41+x/5

15*5 = 41+x

75 = 41+x

x = 75-41 = 34 is ur ans....

hope it help u.......

plss mark me as brainliest.....