Mathematics, 14.07.2019 09:00 jogose6
Ateacher wants to compare the mean geology scores of two different classes. she is testing the null hypothesis that there is no difference in the population mean scores of the two classes. the difference of the sample means is 51.4. if the standard deviation of the distribution of the difference of sample means is 16.66, what is the 95% confidence interval for the population mean difference? a)between -33.2 and + 33.2 b)between -49.9 and +49.9 c)between -102.8 and +102.8 d)between -154.2 and +154.2
Answers: 1
Mathematics, 21.06.2019 17:30, rainbowsauxe
Is it true or false i’m trying to pass this test so i can leave school
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Mathematics, 21.06.2019 19:00, AbhiramAkella
You earn a 12% commission for every car you sell. how much is your commission if you sell a $23,000 car?
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Mathematics, 22.06.2019 01:00, toribrown3773
Francis is getting new carpet tiles in his living room and den. his living room and den are connected. he needs to figure out how much carpet he needs and the cost involved. if each tile costs $2.00 per sq ft, how much would it cost to have new tile put in the den? a) $24 b) $36 c) $48 d) $54 plz awnser soon
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Ateacher wants to compare the mean geology scores of two different classes. she is testing the null...
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