Answer:
Cluster sample
Step-by-step explanation:
This is an example of a cluster sample. In a cluster sample, the examiner divides the population into groups (each one of these groups is called a cluster) and once the examiner has these clusters, takes one of them and recollects the data from ALL the members of that cluster. In this case, the teacher divided the class in 3 different groups and then selects one of these groups and asks the average amount of time per week he/she spent studying.
Answer:
836.8
Step-by-step explanation:
The answer is <span>A. 142.
After a profound research, I found out that the wheel numbers are:
25, 80, 60, 20, 100, 500, 150, 200.
To calculate h</span><span>ow many cans of turtle wax can the game show expect to give out per player in the long run, we need to calculate the mean of the numbers on the wheel:
</span>

<span>
</span>⇒ <span>x </span>≈ 142