2. Question: The lifespan of wafer processing machines used by a semiconductor manufacturing company are given below: Machine no. Lifespan (months) 1 120 2 150 3 110 4 100 5 125 6 130 7 120 8 110 9 115 10 120 i. Calculate the point estimate of the population mean. ii. Find the standard deviation of the sample.

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2. Question:
The lifespan of wafer processing machines used by a semiconductor manufacturing
company are given below:
Machine no. Lifespan (months)
1
120
2
150
3
110
4
100
125
130
120
8
110
9
115
10
120
i. Calculate the point estimate of the population mean.
|
ii. Find the standard deviation of the sample.
567
Transcribed Image Text:2. Question: The lifespan of wafer processing machines used by a semiconductor manufacturing company are given below: Machine no. Lifespan (months) 1 120 2 150 3 110 4 100 125 130 120 8 110 9 115 10 120 i. Calculate the point estimate of the population mean. | ii. Find the standard deviation of the sample. 567
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