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The objective of regression analysis is to build a regression model (or predictive equation) that can be used to describe or predict the dependent variable on the basis of the independent variable. What regression equation would you want to do for banking? Give the y and x variables. Explain why this would be important to know.
Divide your data in half, your first 8 observations and your last 7 observations. Then use ANOVA to test to see if there is a significant difference between the two halves of your data. This list of Webpages that Perform Statistical Calculations h..
Be able to conduct a one-tailed hypothesis test for the mean at the .025 significance level. State the null and alternative. State the critical value. Draw a diagram. Provide the computation of the test statistics. State your decision in terms of ..
Computing the probability value using normal distribution - find the normal distribution
The Johnson family uses a propane tank for cooking on their gas grill. During the summer they need to replace their tank on average every 30 days.
What are three lessons learned relative ANOVA and Nonparametric tests? What concepts and analytic tools will you be able to use in your workplace ?
A researcher wishes to estimate the number of households with two cars. How large a sample is needed in order to be 95% confident that the sample proportion will not differ from the true proportion by more than 4%? A previous study indicates that ..
Assume that correlation coefficient between 2 variables is nearly zero. What does this say about relationship between them?
A group of day to day workers can work either 0 hours, eight hours or 12 hours at a pay rate of $9.75 per hour. (The 12 hour day pays regular time for the first eight hours and double time for the remaining four hours.
Statistical Hypothesis testing - Frequency distribution
Test, at the 5% level of significance, whether the population standard deviation of hours spent studying is less than 10. Use the Critical value approach.
the null hypothesis is to be tested at 95% confidence. Determine the critical value(s) for this test.
Assume a random sample of 16 gasoline stations is selected and their mean cost for regular gasoline is computed. What is the standard error of the mean in this experiment?
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