Question

After all samples were collected and the means were plotted the teacher visited the nurse who told her the true mean of all the heights was 67.5 inches. Which group produced a sample that estimated the true value with relatively low bias and low variability.

Answer 1

Answer:

Group B

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Step-by-step explanation:

The histogram constructed by group 2 is centered at 67.5, which is the true mean height of all students at the school, so this histogram displays low bias. The values of the statistics also do not vary greatly from the mean, as can be seen by the lower variability of the histogram. Group 2 produced sample statistics that estimated the true value of the parameter with relatively low bias and low variability.