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The Assignment 8 Data File contains sales data for three salesmen (Tina, Mark, Leo) and three methods (Internet, Face-to-Face, Telephone). Construct a multivariate graph and determine how you would increase sales.
Attachment:- Assignment 8.xlsx
a. Express the orginal claim in symbolic form. b. Identify the null and alternative hypothesis
1. Complete each of the ANOVA summary tables. In Addition, answer the following questions for each of the ANOVA summary tables:a. What is the factorial notation?
Compare the error statistics and discuss the merits of the two forecasting methods for these data sets. Compare the forecasts for the two methods and discuss their relative merits.
The bad debt ratio for a financial institution is defined to be the dollar value of loans defaulted divided by the total dollar value of all lonas made. A random sample of seven Ohio banks is selected. The bad debt ratios (written as percentages) for..
Respond to your peers or the professor and tell the person whether his answer is correct or incorrect and explain why. Indicate the name of the topic and the name of the slice on the Subject line so it is easier for others to follow. Pleas..
Explain how the chi-square tests differ from parametric tests (such as t tests or ANOVA) with respect to the hypotheses, the data, and the assumptions underlying the test.
(a) Using the percentile method, calculate the median, first and third quartiles, theinterquartile range, and the low and high fences. (b) Use the information in (a) to construct a boxplot.
Is this a one- or two-tailed test?
Calculate the percentage of variance explained for r = 0.53. Is this correlation clinically important? Provide a rationale for your answer.
Using graphical, numerical summary and interpretation
If the results were to show that the standard deviations are significantly different, what would be an important factor that might explain the difference?
A department store manager has decided that dress code is necessary for team coherence
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