QUESTION 22

1. Use the information stated below to answer the question stated below. Information #1: Below are the stem length measurements (i.e. height in centimeter (cm)) of15 randomly selected flowering plants out of 100 plants in David's garden. 6, 6, 8, 11, 12, 13, 14, 14, 14, 16, 20, 21, 21, 21, 28. To answer the question stated below: Use a known formula to answer the question stated below; and usethe 15 numbers in an ascending order; and find the rough estimate of the minimum and maximal usual sample values by using the following equations: Minimum "usual" value = mean - 2 (standard deviation) Maximum "usual" value = mean + 2 (standard deviation) Question: Which of the following statements stated below is precisely correct based on the given information #1?

	A.	The minimum "usual" value equals 0.64 cm and the maximum "usual" value equals 29.36 cm.
	B.	The minimum "usual" value equals -0.64 cm (minus 0.64 cm) and the maximum "usual" value equals 29.36 cm.
	C.	The minimum "usual" value equals -6.40 cm (minus 6.40 cm) and the maximum "usual" value equals 29.36 cm.
	D.	The minimum "usual" value equals -1.64 cm (minus 1.64 cm) and the maximum "usual" value equals 29.40 cm.
	E.	None of the answers is the right answer choice for this question.