Answer and Explanation:1 For one-tailed and two-tailed t-test, the SPSS steps are given below; > Got to Analyze > Compare means > One-Sample T-test > (a...
Exercise: Determining the sample size and ANOVA 1) Let us consider the question of how large the sample size should be to obtain an estimate of a population proportion at a specified level of precis For a population that is left-skewed with a mean of 21 and a standard...
Example of a one-tailed 1-sample t-test Suppose we perform a one-tailed 1-sample t-test. We’ll use a similar scenario as before where we compare the mean strength of parts from a supplier (102) to a target value (100). Imagine that we are considering a new parts supplier. We wil...
Minitab® 17 software was used to generate the design matrix and data analyses. The desirability method was used for the optimization process. The desirability function is based on the optimization techniques developed by Derringer and Suich [21]. In this approach, each response Yi is first ...
Compute a 95% confidence interval for the population proportion for a sample size = 200 and a sample proportion = 25%. Determine the test statistic. The sample data are x1 = 121, n1 = 258, x2 = 135, and n2 = 317. The alternate hypothesis in a one-way analysis...
Using the file develop the manual calculations of the parameters for the chart U. Construct the U chart with MINITAB. What can you conclude about this process? Sample number Number of noncomformi What are the steps in forming an F ratio using the one-way ...