a) (5+8+10+6)/4
=29/4
=7.25
b) (29+39+49+59+69)/5
=245/5
=49
[tex] \frac{5 + 8 + 6 + 10}{4} = 7.25[/tex]
[tex] \frac{29 + 39 +49 + 59 + 69}{5 } = 49[/tex]
