# Question

Two independent random samples of sizes 18 and 24 were obtained to make inferences about the difference between two means.What is the number of degrees of freedom? Discuss both cases.

## Answer to relevant Questions

Find the confidence coefficient that would be used to find the maximum error for each of the following situations when estimating the difference between two means m 1 - m2 “Is the length of a steel bar affected by the heat treatment technique used?” This was the question being tested when the following data were collected. a. Find the means and standard deviations for the two sets of data. ...Find the value of defference two means based on assumption of normality and this information about two samples The computer age has allowed teachers to use electronic tutorials to motivate their students to learn. Issues in Accounting Education published the results of a study that showed that an electronic tutorial, along with ...Consider the “commute time” data for college males and females given in Exercise 10.. a. Are the assumptions of normality satisfied for each sample? Explain. b. Test the hypothesis that there is no difference between ...Post your question

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