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Research the Library and provide at least 1 example of how a real company has used each of the following multivariate techniques: factor analysis, multi-dimensional scaling, and cluster analysis. Companies that provide statistics software websites and market research firm websites usually include case studies and customer testimonials, and on another individual portion of this project, on your own, write a 1500 word summary explaining to upper management the chosen multivariate technique, how it is different than the other 2 techniques, how at least one other real-life company has used this technique to address a business problem and how that technique might be used at your own organization.
Sketch the areas under the standard normal curve over the indicated intervals, and find the specified areas.
It would like to be within plus or minus $55 of the true mean with a 95% confidence level. The standard deviation is thought to be $700. How many card holders should be sampled?
Assume H- to be true. What is the probability that this decision strategy will result in a type I error. Sketch the sampling distribution and put in the region of rejection?
Hugger Polls contends that an agent conducts a mean of 53 in-depth home surveys every week. A streamlined survey form has been introduced, and Hugger wants to evaluate its effectiveness.
Below is the number of new cars sold at Sharkey in the last seven months and for the last eight months at Dave White. Do you agree with Mr. Sharkey? Use the .01 significance level."
If p(s/d)=30 % of the Democrats smoke cigars, and p(s/d')=50% of Republicans smoke cigars also. What is the probability that a cigar- smoking businessmen is a Republican?
Given the following sample information, test the hypothesis that the treatment means are equal at the .05 significance level.
Fred received the following scores for his gymnastics routine: 8.5, 7.8, 8.0, 6.8, 7.1, 7.6. To figure out his score, the judges drop the highest and lowest score and then average the rest of his scores.
Using Coefficient of Variation determine in which year do the ages show a more dispersed distribution? Show your complete work and support your answer.
Ms Lisa is the budget director for the New Process Company. She would like to compare the daily travel expenses for the sales staff and the audit staff. She collected the following sample info:
Use a 0.05 significance level to test the claim that unfiltered king-size cigarettes have a mean tar content greater than that of filtered 100 mm cigarettes.
A student team examined parked cars in four different suburban shopping malls. One hundred vehicles were examined in each loation.
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