A researcher conducts a hypothesis test using a 5% level of…
A researcher conducts a hypothesis test using a 5% level of significance to determine whether the average daily water consumption of a sample of 40 adults is significantly different from the recommended daily intake of 3 liters. The results of the t-test are as follows: Based on the Minitab output, which of the following conclusions is correct?
Read DetailsPart 2 Question 2Decide which statistical procedure/test wil…
Part 2 Question 2Decide which statistical procedure/test will be used to answer this question. Explain in one sentence how you came to your decision. A fitness center studies how different training programs and gender affect overall fitness improvement scores after 8 weeks. Three programs are compared: Cardio, Strength, and None. The participants are balanced by gender (male and female).
Read DetailsA university’s career center wants to compare starting salar…
A university’s career center wants to compare starting salaries for graduates with similar GPAs in two fields: Technology and Business. Each pair of students (one from each major) had similar GPAs and experience levels. We are interested in estimating the mean difference in salaries for the pairs of graduates, at the 95% level of confidence, to determine if there is evidence that average starting salaries differ between Tech and Business graduates.
Read DetailsPart 2 Question 3Decide which statistical procedure/test wil…
Part 2 Question 3Decide which statistical procedure/test will be used to answer this question. Explain in one sentence how you came to your decision. A university’s career center wants to compare starting salaries for graduates with similar GPAs in two fields: Technology and Business. Each pair of students (one from each major) had similar GPAs and experience levels. We are interested in estimating the mean difference in salaries for the pairs of graduates, at the 95% level of confidence, to determine if there is evidence that average starting salaries differ between Tech and Business graduates.
Read Details