In late spring, a student began conducting an investigation about the flower preferences of bees. She counted the number of wildflowers in a small plot and created the following table.Plant SpeciesNumber of PlantsDandelion13Indian paintbrush8Queen Anne’s lace20Thistle29She planned to observe the flowers for the next five days for an hour at the same time each afternoon. Then she would plot the data in a multiple line graph to compare the number of bees that visited each flower. Which statement best describes the data in this investigation?
Answer
A
The data would be more accurate if she carried out all the observations in one day so weather conditions would be constant.
B
The data would be more valid if she made the observations daily for two months.
C
The data she collected is inaccurate because the investigation is not repeatable.
D
The data she collected cannot be plotted in a line graph because it is qualitative.
Explanation
Observing the flowers daily for two months would provide many more observations than five days, making the comparison of bee visits more representative. Observing everything on one day would not account for day-to-day variation. Bee visits are numerical counts, so they are quantitative and can be graphed; the investigation can also be repeated.
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