(1) If the alternative hypothesis is ? > 50, we have a left-tailed test. can be
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(1) If the alternative hypothesis is ? > 50, we have a left-tailed test. can be negative group factor A has 4 possible values and factor B has 3 possible values, is 12 c. d. (1) The test statistic for a test that com e. (1) With pooled data, we must have an equal number of observations in each sample f. (1) The number of data points need for a two-factor with replication ANOVA, where g. (1) A hypothesis test that compares the medians from two groups uses the t distribution pares the means of two independent samples to find critical values. (1) If every observation in our sample has a value below the benchmark median, then the test statistic for the Wilcoxon Signed Rank test is 0. h. (3) Suppose we are given a data set of 20 observations with a sample mean of 5 and a sample standard deviation of 2. We want to perform a goodness-of-fit test to help determine if our data is normally distributed. If we plan to create 5 bins, where the first bin would contain the lowest values and the fifth bin would contain the highest values, then what is the cutoff point that separates the fourth and fifth bins? S.Explanation / Answer
SOlution
Given that n = 20, sample mean = 5 and s = 2
80% of the value seperates the fourth and fifth bin
P(Z<((X-5)/((2/200.5) = 0.8
X = 5.38
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