document.write( "Question 923241: A random sample of 12 size AA batteries for toys yield a mean of 3.01 hours with standard deviation, 0.81 hours. \n" ); document.write( "

Algebra.Com's Answer #559933 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi
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document.write( "sample of 12 size AA batteries for toys 
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document.write( "mean of 3.01 hours with standard deviation, 0.81 hours. 
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document.write( "95% Confidence Interval
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document.write( "ME = 2.2(.81/sqrt(12)) = .51 
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document.write( "CI: 3.01 - ME < u < 3.01 + ME
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document.write( "..........Small Sample Critical Value
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document.write( "DF	Probability, p 2-tailed			
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document.write( "	0.1	0.05	0.01	0.001
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document.write( "1	6.31	12.71	63.66	636.62
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document.write( "2	2.92	4.3	9.93	31.6
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document.write( "3	2.35	3.18	5.84	12.92
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document.write( "4	2.13	2.78	4.6	8.61
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document.write( "5	2.02	2.57	4.03	6.87
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document.write( "6	1.94	2.45	3.71	5.96
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document.write( "7	1.89	2.37	3.5	5.41
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document.write( "8	1.86	2.31	3.36	5.04
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document.write( "9	1.83	2.26	3.25	4.78
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document.write( "10	1.81	2.23	3.17	4.59
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document.write( "11	1.8	 	3.11	4.44
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document.write( "12	1.78	2.18	3.06	4.32
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