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The problem: Due to financial hardship, the Nyke shoe company feels they only ne

ID: 3020876 • Letter: T

Question

The problem: Due to financial hardship, the Nyke shoe company feels they only need to make one size of shoes, regardless of gender or height. They have collected data on gender, shoe size, and height and have asked you to tell them if they can change their business model to include only one of shoes- regardless of height or gender of the wearer. In no more 5-10 pages (including figures), explain your recommendations, using statistical evidence to support findings. The data found are below: Solve real world problems by designing a study, collecting data, analyzing the data, and writing up the results. Write up the results, using statistical evidence to support your findings.

Explanation / Answer

SOl)

The Regression equation is

y=a+bx

where y is size and x is height

From Excel

From above analysis

y= -29.0566 +0.5540(height)

SUMMARY OUTPUT Regression Statistics Multiple R 0.86434 R Square 0.747084 Adjusted R Square 0.73942 Standard Error 1.318375 Observations 35 ANOVA df SS MS F Significance F Regression 1 169.428 169.428 97.47819 2.23E-11 Residual 33 57.3577 1.738112 Total 34 226.7857 Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0% Upper 95.0% Intercept -29.0566 3.875456 -7.4976 1.28E-08 -36.9413 -21.1719 -36.9413 -21.1719 Height 0.554074 0.05612 9.873105 2.23E-11 0.439898 0.66825 0.439898 0.66825