Question

the mean of 7,9,0,x and 6 is 5.4, find x

Answer 1

Answer:

Mean = Sum of observations / no. if observations

5.4 = 7+9+0+x+6/5

Now cross multiply, we get

27 = 22+x

27/22=x

Answer 2

Answer:

$5$

Step-by-step explanation:

$\frac{7+9+0+6+x}{5} =5.4\\\frac{22+x}{5} =5.4\\22+x=5.4 *5\\22+x=27\\x=27-22\\x=5\\\\Check:\\\\\frac{7+9+0+5+6}{5} \\\frac{27}{5} \\\\=5.4\\\\Correct!$