Multiple Choice
Use the Empirical Rule to Describe Data That Are Bell Shaped
-A severe drought affected several western states for 3 years. A Christmas tree farmer is worried about the drought's effect on the size of his trees. To decide whether the growth of the trees has been retarded, the farmer decides to take a sample of the heights of 25 trees. Typically trees of this age have a mean height of 65 inches with a standard deviation of 9 inches. Assuming the distribution is bell shaped, where do you expect middle of the tree heights to fall?
A) between 47 and 83 inches tall
B) between 56 and 74 inches tall
C) between 38 and 92 inches tall
D) over 56 inches tall
Correct Answer:

Verified
Correct Answer:
Verified
Q43: The _ is the easiest measure of
Q94: Which measure of central tendency may not
Q114: Determine the Median of a Variable
Q115: Compute the Standard Deviation of a
Q117: Determine and Interpret z-Scores<br>-A student scores 74
Q118: Determine the Median of a Variable
Q121: A numerical summary of a population is
Q122: The heights of ten male students
Q124: Use the Empirical Rule to Describe
Q138: Which measure of central tendency is more