Question 867250
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Hi
Was simply asking You to verify the data
prior to calculations: these give m = 15.4, sd = 4.8
z = (15.4-15)/(4.8/sqrt(40) = .4/.759 = .5270
15min a respectable claim
10	-5.4	29.16	
7	-8.4	70.56	
8	-7.4	54.76	
8	-7.4	54.76	
10	-5.4	29.16	
9	-6.4	40.96	
11	-4.4	19.36	
15	-0.4	0.16	
14	-1.4	1.96	
15	-0.4	0.16	
14	-1.4	1.96	
12	-3.4	11.56	
12	-3.4	11.56	
11	-4.4	19.36	
11	-4.4	19.36	
14	-1.4	1.96	
15	-0.4	0.16	
13	-2.4	5.76	
13	-2.4	5.76	
13	-2.4	5.76	
14	-1.4	1.96	
15	-0.4	0.16	
26	10.6	112.36	
28	12.6	158.76	
21	5.6	31.36	
22	6.6	43.56	
22	6.6	43.56	
21	5.6	31.36	
16	0.6	0.36	
16	0.6	0.36	
18	2.6	6.76	
19	3.6	12.96	
20	4.6	21.16	
21	5.6	31.36	
19	3.6	12.96	
18	2.6	6.76	
17	1.6	2.56	
16	0.6	0.36	
16	0.6	0.36	
16	0.6	0.36	
616		903.6	0
15.4		23.17846154	
		4.814401473	SD