Question

the average height of children in kindergarten in winnipeg is found by measuring the height of one randomly - selected child in every kindergarten class in the city. what type of uncertainty is due to the selection of the sample of children to measure? a) random b) systematic

Explanation:

Random uncertainty occurs when samples are randomly selected and there is natural variability among them. Systematic uncertainty is due to flaws in measurement methods or consistent biases. Here, since children are randomly - selected, the uncertainty is random.

Answer:

A. Random