MATH534

Regression and Correlation Analysis 1. Generate a scatterplot for the specified dependent variable (Y) and the X1 independent variable, including the graph of the "best fit" line. Interpret. Fitted Plot Line According to the Graph the linear relationship there is a positive relationship between Sales and calls. If number of calls increases the sales also increase and the same if sales increases the calls increases.

Course Project Part B: Hypothesis Testing Jason Mann Keller School of Management Professor Katherine Henson-Mack Math 534: Applied Management Statistics Course Project Part B: Hypothesis Testing The following hypotheses’ will be tested applying an a = 0.05 and a confidence interval of 99%.

The descriptive statistics summarize data from a sample, for example, demographicprofiles. Whenever there are several groups, it is useful to provide the descriptivestatistics by group and for the overall sample. This gives a visual impression of thecomparabilityofthe groupsin termoftheir baseline characteristics.Itis notnecessaryto report statistical tests and P-values in such a summary because the main concern isthe comparability of the participants (which reflects the sampling), not the popul...