= Â 2.9 minutes
= 0.05
Please help I dont know where to start
the standard deviation of a simple random sample...
Mathematics, 06.03.2020 03:11 blkrosesss
Please help I dont know where to start
the standard deviation of a simple random sample of 40 calling times on a payphone is found to be 2.6 minutes. find the test statistic to test a claim that the standard deviation of all phone calls on a payphone is less than 2.9 minutes. use a 0.05 significance level
32.152
31.348
48.519
34.966
Answers: 3
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