the mean of observations 18, 14,15,19 , 15 ,a ,12, 15 and 16 is 16. find the value of a. Then find the median and mode.

### 2 thoughts on “the mean of observations 18, 14,15,19 , 15 ,a ,12, 15 and 16 is 16. find the value of a. Then find the median and mode.”

### Leave a Comment

You must be logged in to post a comment.

Answer:18+14+15+19+15+a+12+15+16/9 = 16

32+34+a+27+16/9 = 16

66+a+43 = 144

109+ a =144

a = 35

median = 12,14,15,15,15,16,18,19,35

median = 15

mode = 15

Answer:sorry I don’t know