Question

	Name of state	Data value
State 1	Alabama	2.2
State 2	Arkansas	0.7
State 3	Connecticut	0.9
State 4	Florida	6.6
State 5	Idaho	0.6
State 6	Iowa	1.2
State 7	Louisiana	2.9
State 8	Massachusetts	1.9
State 9	Mississippi	1.3
State 10	Nebraska	0.5
State 11	New Jersey	2.2
State 12	North Carolina	4.6
State 13	Oklahoma	1.4
State 14	Rhode Island	0.4
State 15	Tennessee	3.4

Analysis:

Compute the mean and standard deviation of the sample data:

Mean =

Standard deviation =

Sample size =

Answer 1

Sample Size = 15

Sample Mean () isgiven by:

x	x -	(x - )2
2.2	0.1467	0.0215
0.7	-1.3533	1.8315
0.9	-1.1533	1.3302
6.6	4.5467	20.6722
0.6	-1.4533	2.1122
1.2	-0.8533	0.7282
2.9	0.8467	0.7168
1.9	-0.1533	0.0235
1.3	-0.7533	0.5675
0.5	-1.5533	2.4128
2.2	0.1467	0.0215
4.6	2.5467	0.4855
1.4	-0.6533	0.4268
0.4	-1.6533	2.7335
3.4	1.3467	1.8135
Total =		41.8973

Sample Standard Deviation (s) is given by:

Answers are:

Mean = 2.0533

Standard Deviation = 1.7299

Sample Size = 15