Mathematics, 28.11.2019 07:31, ZachLaVine2016
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?
between -33.2 and +33.2
between -49.9 and +49.9
between -102.8 and +102.8
between -154.2 and +154.2
Answers: 2
Mathematics, 21.06.2019 22:50, karmaxnagisa20
3x = 729 solve for x plz . it's urgent. will mark
Answers: 2
Mathematics, 22.06.2019 00:00, abelxoconda
Sun country bus lines has 80000 shares of stock outstanding what would the dividend per share of stock be from a dividends declaration of 109600
Answers: 1
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