A student team in a business statistics course designed an experiment to investi

Question

A student team in a business statistics course designed an experiment to investigate whether the brand of bubblegum used affected the size of bubbles they could blow. To reduce the person-to-person variability the students deeded to use a randomized block design using themselves as blocks tour brands of bubblegum were tested A student chewed two pieces or a brand of gum and then blew a bubble attempting to make it as big as possible Another student measured the diameter of the bubble at its biggest point. The following table gives the diameters of the bubbles (in inches) for the 16 observations. Click the icon to view the data table. What is the null hypothesis for testing the block effects? A H_0: mu_A = mu_B = mu_C = mu_D B. H_0: mu_Kyle = mu_Sarah = mu_ Leigh = mu_saac C. H_0: M_Kyle = M_Sarah = M_ Leigh = M_ Saac D. H_0: M_A = M_B = M_C = M_D

Explanation / Answer

Ans: Option A.   

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