The mean number of hits was 9.3 and false alarms 3.1.

Table 3.1 shows the mean number of correct responses given by each age group.

The mean number of samples per patient was 3.49 (range 2-18).

The mean number of rainy days per year is 120.

The mean number of young raised to independence annually is 1.5 for each pair.

That is (I imagine) the mean number of sales.

Most pairs lay 3 eggs, but the mean number hatched is less than 2.

For example, we can forecast the mean number of heads and its variance with great precision.

The mean number of piglets is three to four per litter.

The mean number of letters recalled across the 12 subjects for each time delay was then calculated.