Number

2.3 Averages

Calculate the mean of the following sets of numbers.

1.

$0.001, 1.023, 0.278, 1.432, 6.266$
$mean = 0.001+1.023+0.278+1.432+6.266 5 = 1.8$

2.

$0.2, 0.3, 1.0$
$mean = 0.2+0.3+1.0 3 = 0.5$

3.

$20, 42, 52, 60$
$mean = 20+42+52+62 4 = 44$

4.

$4.5 5.5$
$mean = 4.5+5.5 2 = 5$