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1- Prepare a paper examining a regression analysis on your collected data. Begin by describing the research issue, problem, or opportunity and the accompanying data. Then, perform a regression analysis on your data.
2- Present the data used in the analysis, as a single table in the body of the paper or as an appendix.
3- Present the Excel regression analysis table as an appendix.Discuss the correlation coefficient, the coefficient of determination, and the regression equation.
4- Show the scatter plot of the data, with regression line superimposed.
5- Must show the hypothesis test of the significance of the correlation coefficient.
6- State the limitations of your analysis, and describe the significance of the results to the organization as a whole.
P-value for test statistic is .085, determine the minimum level of significance needed to reject null hypothesis?
The mean of a standard normal probability distribution.
At 95% confidence using the critical value approach, determine if the proportion of females in the company is significantly less than 50%.
Find the 99% confidence interval for the population proportion.
Use exponential smoothing to forcast Aug. income. Assume that the initial forecast for Feb. is $65,000. The smoothing constant selected is x=0.1
For a two-tailed test of hypothesis (.01 significance level) to determine if there is a difference in the population means, the degrees of freedom are
What is the most probable number of patients arriving each Saturday and give the main assumptions we make when we model the above situation using a Poisson distribution.
The Travel Weekly International Air Transport Association survey asked business travelers regarding the purpose for their most recent business trip.
Which of the following is true about a 95% confidence interval of the mean of a given sample:
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each loation.
Construct a 95% confidence interval estimate for the average waiting time of all the patients who visit this doctor. Assume the population of waiting times is normally distributed.
At the .05 significance level, is there a difference in the mean number of miles traveled per month between Cincinnati and Pittsburgh employees? Use the five-step hypothesis-testing procedure.
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