Question

Six data sets are presented, some of them are samples from a normal distribution, and some of them are samples from populations that are not normally distributed. Identify the samples that are not from normally distributed populations.

L1: Drug concentration six hours after administration

L2: Reading scores on standardized test for elementary children

L3: The number of minutes clerical workers took to complete a certain worksheet

L4: The level of impurities in aluminum cans (in percent)

L5: The number of defective items produced during an hour

L6: The weight of trout in ounces

L1	L2	L3	L4	L5	L6
4.7	72	4.5	2.1	21	9.9
3.2	77	5.8	1.3	16	11.3
5.1	65	3.7	2.8	10	11.4
4.7	85	4.9	1.5	10	9
3.0	68	4.3	1.0	11	10.1
3.4	83	4.7	8.2	9	8.2
4.4	73	5.8	1.9	13	8.9
3.5	79	3.2	9.5	12	9.9
4.5	72	3.0	3.2	11	10.5
5.8	81	5.1	1.3	29	8.6
3.7	79	3.6	4.4	10	7.8
4.9	91	4.3	3.8	14	10.8
5.4	69	3.6	2.7	27	8.4
3.6	67	5.4	8.0	10	9.6
4.3	82	4.7	1.9	11	9.9
3.0	66	3.0	4.9	11	8.4
5.1	77	3.4	4.5	12	9.0
4.3	66	4.3	1.5	19	9.

Give the Summary statistics for each list:

L1

L2

L3

L4

L5

L6

Sample mean

Sample standard deviation

n

Min

Q1

Med (Q2)

Q3

Max

Answer 1

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