Question

1. The height of six students are 1.56 , 1.67 , 1.49 , 1.55 , 1.71 , 1.68 . calculate the mean height of the students

2.The mean of 10$ , 15$ , 12$ , 20$ and x is 13$ calculate the value of x

3.Given the mean of 16, w, 17, 9, x, 2, y, 7 and z is 11 , find the mean of w, x, y, z​

Answer 1

Answer:

1. The height of six students are 1.56 , 1.67 , 1.49 , 1.55 , 1.71 , 1.68 . calculate the mean height of the students

= Find the mean of height

= Mean Height = Sum of the Students

_________________

Number of the height

= 1. 56 +1.67 +1.49 + 1.55+ 1.71 +1.68

_____________________________

6

=9.66 = 483

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6 6