Question

differentiate between the following scenarios. which scenario is an example of a statistic? (1 point)
all the lions at the local zoo were monitored to see how many hours they slept in a day. the mean number was 4.
every worker at the local arcade was asked how many hours they spend listening to music in a day. the mean number of hours was 5.
the temperature of every person who walked into a local clinic was recorded. the mean temperature was 98.7°f.
thirty students were randomly selected from mrs. calzadas group of 158 students. they were asked how many hours they spend watching tv every day. the mean number of hours was 2.

Explanation:

A statistic is a measure calculated from a sample (a subset of a population), while a parameter is a measure from the entire population.

• First option: All lions (entire population) → parameter.
• Second option: Every worker (entire population) → parameter.
• Third option: Every person (entire population) → parameter.
• Fourth option: 30 students (sample from 158 students) → statistic (mean from sample).

Answer:

D. Thirty students were randomly selected from Mrs. Calzada’s group of 158 students. They were asked how many hours they spend watching TV every day. The mean number of hours was 2.