M
from "deborah's experiment: counting bacteria in beef"
which of the following best presents the results for brand a?
mples of
ach sample.
cound beef.
the refrigerated samples of brand a contained more bacterial
colonies than the frozen samples of brand a.
b.
the refrigerated samples of brand a contained a total of 287 bacterial
colonies. the frozen samples of brand a contained a total of 228
bacterial colonies.
the average number of bacterial colonies in the refrigerated samples
of brand a was 94. the average number of bacterial colonies in the
frozen samples of brand a was 76.
d.
the bacteria in both the refrigerated and frozen samples of brand a
showed an increase in reproduction, then a decrease in reproduction.