Listed below are the amounts? (dollars) it costs for marriage proposal packages at different baseball stadiums....

Listed below are the amounts? (dollars) it costs for marriage proposal packages at different baseball stadiums. Find the? range, variance, and standard deviation for the given sample data. Include appropriate units in the results. Are there any? outliers, and are they likely to have much of an effect on the measures of ?variation?

38,50,50,55,55,95,95,130,180,213,250,350,450,1750,3000

Solutions

Expert Solution

The range is:

Consider the following table:


	38	-412.73	170346.0529
	50	-400.73	160584.5329
	50	-400.73	160584.5329
	55	-395.73	156602.2329
	55	-395.73	156602.2329
	95	-355.73	126543.8329
	95	-355.73	126543.8329
	130	-320.73	102867.7329
	180	-270.73	73294.7329
	213	-237.73	56515.5529
	250	-200.73	40292.5329
	350	-100.73	10146.5329
	450	-0.73	0.5329
	1750	1299.27	1688102.533
	3000	2549.27	6498777.533
Sum:	6761		9527804.9335

The sample mean is:

The sample variance is:

The sample standard deviation is:

Yes, there are two outliers 1750 and 3000 and they are likely to have much of an effect on the measures of variation.

orchestra answered 1 year ago

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