Question

One of the mistakes that beginning statisticians often make is to focus their reports on themselves, instead of on the data being analyzed. Instead of talking about what "I" did, you should be talking about what the data show. Rewrite the following statement with focus on the data, not the analyst.
"I took a random sample of 30 paint cans off the line, and carefully measured the exact amount of paint in each can. The sample average was 3.012 litres, just a bit above the desired level of 3 litres. I plotted this on the control chart, and I noticed that this number was within control limits. So I concluded that there was no problem with the paint filling line."


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  • CreatedJuly 12, 2015
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