Random samples of size n were selected from a nonnormal population with the means and variances given here. n = 13, μ = 129, o² = 1 What can be said about the sampling distribution of the sample mean? Since the sample size is ---Select--- 30, we ---Select--- assume that the distribution of x is approximately normal. Find the mean and standard error for this distribution. (Round your standard error to four decimal places.) mean standard error

Can you please help me with this problem, because I don't understand it can you please help me with this problem and can you please do this step by step so I can follow along and can you make it easier to read.   again can you please do this problem step by step and can you label the problems as well.

Express the alternative hypothesis in symbolic form. A psychologist claims that the mean amount of time​ (in hours) that females spend in talk therapy is more than that of men. Assume that two samples are independent. Let the female talk therapy times be the first population and the male talk therapy times be the second population.

Part an and b please.

Subject : Statestic

12

A hypothesis test involves a comparison of which two elements? Question 12 options: Research results from a sample and a hypothesis about a population Research results from a population and a hypothesis about a sample Research results from a population and a hypothesis about the population Research results from a sample and a hypothesis about the sample

unrest and violence on one southern campus had descreased by 62% from 10 years ago. four out of ten americans rush their teeth daily. which of the following is true regarding these two statements? A. these statements are derived from inductive statistics B. all of the given statements are sample parameters rather than population statistics C. statistics, from one of its definitions, constitutes a collection of such statements D. these types of statements are usually found to be examples of lying with statistics E. none of these is correct

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