1. The statistics below provide a summary of the distribution of heights, in inches, for a simple random sample of 200 young children. Mean: 46 inches Median: 45 inches Standard Deviation: 3 inches First Quartile: 43 inches Third Quartile: 48 inches About 100 children in the sample have heights that are (A) less than 43 inches (B) less than 48 inches (C) between 43 and 48 inches (D)between 40 and 52 inches (E) more than 46 inches

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1. The statistics below provide a summary of the distribution of heights, in inches, for a simple random
sample of 200 young children,
Mean: 46 inches
Median: 45 inches
Standard Deviation: 3 inches
First Quartile: 43 inches
Third Quartile: 48 inches
About 100 children in the sample have heights that are
(A) less than 43 inches
(B) less than 48 inches
(C) between 43 and 48 inches
(D)between 40 and 52 inches
(E) more than 46 inches
2. In which of the following situations would it be most difficult to use a census?
(A) To determine what proportion of licensed bicycles on a university campus have lights
(B) To determine what proportion of students in a high school support wearing uniforms
(C) To determine what proportion of registered students enrolled in a college are employed more
than 20 hours each week
(D) To determine what proportion of single-family dwellings in a small town have two-car garages
(E) To determine what proportion of fish in Lake Michigan are bass
The distribution of the diameters of a particular variety of oranges is approximately normal with a
standard deviation of 0.3 inch. How does the diameter of an orange at the 67th percentile compare
with the mean diameter?
(A)0.201 inch below the mean
(B)0.132 inch below the mean
(C) 0.132 inch above the mean
(D)0.201 inch above the mean
(E) 0.440 inch above the mean
Transcribed Image Text:1. The statistics below provide a summary of the distribution of heights, in inches, for a simple random sample of 200 young children, Mean: 46 inches Median: 45 inches Standard Deviation: 3 inches First Quartile: 43 inches Third Quartile: 48 inches About 100 children in the sample have heights that are (A) less than 43 inches (B) less than 48 inches (C) between 43 and 48 inches (D)between 40 and 52 inches (E) more than 46 inches 2. In which of the following situations would it be most difficult to use a census? (A) To determine what proportion of licensed bicycles on a university campus have lights (B) To determine what proportion of students in a high school support wearing uniforms (C) To determine what proportion of registered students enrolled in a college are employed more than 20 hours each week (D) To determine what proportion of single-family dwellings in a small town have two-car garages (E) To determine what proportion of fish in Lake Michigan are bass The distribution of the diameters of a particular variety of oranges is approximately normal with a standard deviation of 0.3 inch. How does the diameter of an orange at the 67th percentile compare with the mean diameter? (A)0.201 inch below the mean (B)0.132 inch below the mean (C) 0.132 inch above the mean (D)0.201 inch above the mean (E) 0.440 inch above the mean
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