Another EV player, EVEN, has taken a random sample to examine its number of problem occurrence per staff in its production processes with the following sample statistics results N Mean Standard Deviation Variance Minimum Median Maximum 10 7 50 6 0964 37 1667 0 6 20 How big is the sample size in this case What is average number of problem occurrence per staff in its production process Construct the 90 confidence interval for the average number of problem occurrence per staff

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Question: Another EV player, EVEN, has taken a random sample to examine its number of problem occurrence per staff in its production processes with the following

Another EV player, EVEN, has taken a random sample to examine its number of problem occurrence per staff in its production processes with the following sample statistics results.

N	Mean	Standard Deviation	Variance	Minimum	Median	Maximum
10	7.50	6.0964	37.1667	0	6	20

How big is the sample size in this case?
What is average number of problem occurrence per staff in its production process?
Construct the 90% confidence interval for the average number of problem occurrence per staff.

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