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Mathematics, 04.01.2021 02:20 faithtaylor365

At a school of 900 students, 20% have blue eyes. A student randomly selects 100 students and finds 17% of them have blue eyes. A second student takes another random sample of 90 students and finds 24% of them have blue eyes. Which of the following explains why there is a difference between the two percentages? a. The sample sizes were both too small.
b. The samples were not random samples.
c. Both samples suffered from non-response bias.
d. Random error; the numbers were different due to variability inherent in sampling.

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At a school of 900 students, 20% have blue eyes. A student randomly selects 100 students and finds 1...
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