# Question

Three random samples of sizes, 30, 48, and 32, respectively, are collected, and the three sample means are computed. What is the total number of degrees of freedom for deviations from the means?

## Answer to relevant Questions

The data points in a sample of size 9 are 34, 51, 40, 38, 47, 50, 52, 44, 37. a. If you can take the deviations of these data from any number you select, and you want to minimize the sum of the squared deviations (SSD), what ...When sampling is from a population with mean 53 and standard deviation 10, using a sample of size 400, what are the expected value and the standard deviation of the sample mean? Starbucks regularly introduces new coffee drinks and attempts to evaluate how these drinks fare by estimating the price its franchises can charge for them and sell enough cups to justify marketing the drink. Suppose the ...In problem 5-57, give 0.95 probability bounds on the value of the sample mean that would be obtained. Also give 0.90 probability bounds on the value of the sample mean. Häagen-Dazs ice cream produces a frozen yogurt aimed at health-conscious ice cream lovers. Before marketing the product in 2007, the company wanted to estimate the proportion of grocery stores currently selling Häagen-Dazs ...Post your question

0