Question

question 2 of 10
a scientist measures the number of flies in a room over time. the results are shown below.
time (hours) | number of flies
10 | 35
20 | 47
30 | 52
40 | 51
50 | 48
60 | 40
which of the following statements describes the trend in the data?
a. the number of flies increased, then decreased.
b. the number of flies decreased, then increased.
c. the number of flies decreased.
d. the number of flies was constant.

Explanation:

Step1: Observe data trend

As time goes from 10 - 30 hours, number of flies goes from 35 - 52 (increases).

Step2: Continue observing

As time goes from 30 - 60 hours, number of flies goes from 52 - 40 (decreases).

Answer:

A. The number of flies increased, then decreased.