Question

13.2 quiz organizing and analyzing experimental results
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 decreased, then increased.
b. the number of flies increased, then decreased.
c. the number of flies decreased.
d. the number of flies was constant.

Explanation:

Step1: Observe the number of flies values

The number of flies starts at 35, then goes to 47, 52, 51, 48, 40.

Step2: Analyze the trend

The values first increase from 35 to 52 and then decrease from 52 to 40.

Answer:

B. The number of flies increased, then decreased.