Question

While at summer camp, Mike asked a random camper from each of the 12 cabins how many siblings he or she had. The results below display the responses.

3, 2, 0, 1, 0, 2, 3, 4, 1, 2, 2, 1

If there are 48 campers altogether, use Mike’s data to infer the mean of the population. What is the mean number of siblings for the population rounded to the nearest unit?

Answer 1

To find mean, first add everything together.

3 + 2 + 0 + 1 + 0 + 2 + 3 + 4 + 1 + 2 + 2 + 1

This equals to 21.

Then, divide the total by the amount of campers there are.

21 ÷ 48 ≈ 0.4375

Round this to the nearest whole number.

The mean number of siblings is 0.

Answer 2

To find the mean of the population based on the given data, we need to calculate the sum of all the responses and divide it by the total number of campers.

The given responses are: 3, 2, 0, 1, 0, 2, 3, 4, 1, 2, 2, 1

Sum of the responses = 3 + 2 + 0 + 1 + 0 + 2 + 3 + 4 + 1 + 2 + 2 + 1 = 21

Total number of campers = 48

Mean of the population = Sum of the responses / Total number of campers = 21 / 48 ≈ 0.4375

Rounded to the nearest unit, the mean number of siblings for the population is 0.