Introduce yourself to the group and explain your background. Describe your professional goals.Include what you hope to accomplish by the end of the course. Do you have any experience running statistical analyses in any context? After reading the Module Overview and Chapter 1 in the textbook, choose something you measure at work or at home. … Read more
The owner of a fish market has a very peculiar assistant who has determined that the weights of catfish are normally distributed with a mean of 3.2 pounds and a standard deviation of .8 pound. If a sample of 25 fish yields a mean of 3.6 pounds, what is the z score for the observation? … Read more
Buckeye Creek Amusement Park is open from the beginning of May to the end of October. Buckeye Creek relies heavily on the sale of season passes. The sale of season passes brings in significant revenue prior to the park opening each season, and season pass holders contribute a substantial portion of the food, beverage, and … Read more
Section 2: The multiple linear regression model Fit a preliminary model. At this point, do not discuss the regression output. Check model assumptions (e.g., constant variance, normality, and uncorrelated errors if relevant) and diagnostics (outliers, leverage, influence, variance inflation); conduct Modified-Levene test, test for normality, and Bonferroni outlier test. IF you have adequate reason, you … Read more
I’m working on a data analytics project and need support to help me study. The classical time series, forecasting methods, moving average, exponential smoothing and other methods in mathematics and statistics are applied to the forecasting of supply chain planning. Machine learning can also be applied to supply chain forecasting. This is the main thing … Read more
Sometimes, your work in software quality analysis will involve hypotheses that only test a single population. You will often encounter problems that involve two populations, however; in this case, the hypothesis testing procedure becomes a little more complicated, but you can still apply the same general approach that you use for a single population. … Read more
The multiple linear regression model Fit a preliminary model. At this point, do not discuss the regression output. Check model assumptions (e.g., constant variance, normality, and uncorrelated errors if relevant) and diagnostics (outliers, leverage, influence, variance inflation); conduct Modified-Levene test, test for normality, and Bonferroni outlier test. IF you have adequate reason, you may remove … Read more
Sometimes, your work in software quality analysis will involve hypotheses that only test a single population. You will often encounter problems that involve two populations, however; in this case, the hypothesis testing procedure becomes a little more complicated, but you can still apply the same general approach that you use for a single population. … Read more
Deliverable 3 – Confidence Intervals Assignment Content CompetencyDevelop a confidence interval for a population parameter. Student Success CriteriaView the grading rubric for this deliverable by selecting the This item is graded with a rubric link, which is located in the Details & Information pane. InstructionsScenario (information repeated for deliverable 01, 03, and 04)A major … Read more
Use the Internet, newspaper websites (such as , , , or ) to research an article that uses statistical data related to a current event, your major, your current field, or your future career goal. The chosen article must have a publication date during this quarter and use ONE of the following categories … Read more