Source A Source B Log x No of Log x No of Componen componen ts ts 1.7202 1.6990 1.5682 1.6232 1.6721 13 15 1 12 1.6767 23 17 28 12 1.6532 20 1.7160 1.6284 19 1.7559 1.6021 16 1.7924 10 1.5740 9. 1.8261 05

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Q.No.3 (a) In the manufacturing of a certain scientific instrument great importance is
attached to the life of a particular critical component. This component is
obtained in bulk from two sources, A and B, and in the course of inspection,
the lives of 100 of the components from each source are determined. The
following tables are obtained: -
[3]
Source A
Source B
Log x
No of
Log x
No of
Componen
componen
ts
ts
1.7202
1
1.5682
13
1.6990
12
1.6232
15
1.6767
23
1.6721
17
1.6532
20
1.7160
28
1.6284
1.6021
1.5740
19
1.7559
12
16
1.7924
10
9.
1.8261
05
Which source is more consistent?
Answer: -
Transcribed Image Text:Q.No.3 (a) In the manufacturing of a certain scientific instrument great importance is attached to the life of a particular critical component. This component is obtained in bulk from two sources, A and B, and in the course of inspection, the lives of 100 of the components from each source are determined. The following tables are obtained: - [3] Source A Source B Log x No of Log x No of Componen componen ts ts 1.7202 1 1.5682 13 1.6990 12 1.6232 15 1.6767 23 1.6721 17 1.6532 20 1.7160 28 1.6284 1.6021 1.5740 19 1.7559 12 16 1.7924 10 9. 1.8261 05 Which source is more consistent? Answer: -
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