USC3002_2007.Lect3&4 - Department of Mathematics
... 1. Compute the power of a hypothesis test whose null hypothesis is that in vufoil #13, the alternative hypothesis asserts that heights are normally distributed with mean 3.386 cm standard deviation where and are the same as for the null hypothesis and 20 samples are used and the signif ...
... 1. Compute the power of a hypothesis test whose null hypothesis is that in vufoil #13, the alternative hypothesis asserts that heights are normally distributed with mean 3.386 cm standard deviation where and are the same as for the null hypothesis and 20 samples are used and the signif ...
Unit 12-1
... Since p-value > a, I fail to reject H0. There is not sufficient evidence to suggest that these drugs differ in the speed at which they enter the blood stream. ...
... Since p-value > a, I fail to reject H0. There is not sufficient evidence to suggest that these drugs differ in the speed at which they enter the blood stream. ...
Chapter 3 - Routledge
... Differences between the variance and standard deviation formulas: Why n-1? a. If population mean is unknown, use the sample mean as an estimate. But sample mean probably will differ from the population mean b. Whenever using a number other than the actual mean to calculate the variance, a larger var ...
... Differences between the variance and standard deviation formulas: Why n-1? a. If population mean is unknown, use the sample mean as an estimate. But sample mean probably will differ from the population mean b. Whenever using a number other than the actual mean to calculate the variance, a larger var ...
The geometric mean is
... numbers, wich produces a value of 195.42. *The median is the average of the 12th and 13 th numbers, which is (191+223):2 = 207.00 *To compute the 5% trimmed mean, it must be dropped 5% of the data from each end. This come to (0.05) (24) = 1.2 observation. It is rounded 1.2 to 1, and trim one observa ...
... numbers, wich produces a value of 195.42. *The median is the average of the 12th and 13 th numbers, which is (191+223):2 = 207.00 *To compute the 5% trimmed mean, it must be dropped 5% of the data from each end. This come to (0.05) (24) = 1.2 observation. It is rounded 1.2 to 1, and trim one observa ...
chap6 sec2
... 4. The tails in the t-distribution are “thicker” than those in the standard normal distribution. 5. The standard deviation of the t-distribution varies with the sample size, but it is greater than 1. ...
... 4. The tails in the t-distribution are “thicker” than those in the standard normal distribution. 5. The standard deviation of the t-distribution varies with the sample size, but it is greater than 1. ...
