Mathematics, 03.10.2019 00:30 610055470
An article described an experiment in which observations on various characteristics were made using minichambers of three different types: (1) cooler (pvc frames covered with shade cloth), (2) control (pvc frames only), and (3) warmer (pvc frames covered with plastic). one of the article's authors kindly supplied the accompanying data on the difference between air and soil temperatures (°c). cooler control warmer 1.59 1.92 2.57 1.43 2.00 2.60 1.88 2.19 1.93 1.26 1.12 1.58 1.91 1.78 2.30 1.86 1.84 0.84 1.90 2.45 2.65 1.57 2.03 0.12 1.79 1.52 2.74 1.72 0.58 2.53 2.41 1.90 2.13 2.34 2.86 0.84 2.31 1.34 1.91 1.76 (a) compare measures of center for the three different samples. cooler = control = warmer = (b) calculate the standard deviations for the three different samples. (round your answers to three decimal places.) cooler s = 0.393 control s = warmer s =
Answers: 1
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Solve each quadratic equation by factoring and using the zero product property. n^2 - 49 = 0
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Mathematics, 22.06.2019 03:00
A. find the power of the test, when the null hypothesis assumes a population mean of mu = 450, with a population standard deviation of 156, the sample size is 5 and the true mean is 638.47 with confidence intervals of 95 b. find the power of the test, when the null hypothesis assumes a population mean of mu = 644, with a population standard deviation of 174, the sample size is 3 and the true mean is 744.04 with confidence intervals of 95% c. find the power of the test, when the null hypothesis assumes a population mean of mu = 510, with a population standard deviation of 126, the sample size is 10 and the true mean is 529.44 with confidence intervals of 95
Answers: 2
An article described an experiment in which observations on various characteristics were made using...
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