SOLUTION: The following data gives the worldwide number of fatal airline accidents of commercially scheduled air transports in the years from 1985 to 1993. YEAR ACCIDENTS 1985 0

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Question 1178365: The following data gives the worldwide number of fatal airline accidents of commercially scheduled air transports in the years from 1985 to 1993.
YEAR ACCIDENTS
1985 0
1986 0
1987 4
1988 6
1989 5
1990 3
1991 8
1992 7
1993 2
A) Find median,
B) Find mean,
C) Find the sample variance,
D) Find the sample standard deviation of the number of accidents in these years.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
Previously Posted
Using a 'generic Set Up' in an Excel Spreadsheet:
	x	x -3.89	(x-3.89)^2
	0	-3.89	15.1321
	0	-3.89	15.1321
	2	-1.89	3.5721
	3	-0.89	0.7921
	4	0.11	0.0121
	5	1.11	1.2321
	6	2.11	35.8726
	7	3.11	56.6131
	8	4.11	98.0941
	35	sum/8	28.31 (2 decimal places)
35/9	3.89	SD	5.32   (2 decimal places)

			
A) Find median = 4 (middle)
B) Find mean= 3.89
C) Find the sample variance = 28.31
D) sd = 5.32			
Wish You the Best in your Studies.

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