PLEASE COMPLETE ALL PARTS OF THIS QUESTION When selecting a computer game an imp

Question

PLEASE COMPLETE ALL PARTS OF THIS QUESTION

When selecting a computer game an important aspect to consider is the time required to learn how to play it. The marketing director of Nintendys Inc, hires you as a statistician to design a test based on average learning time. He is pretty sure games A, B and C require the same learning time but wants statistical support to his belief. As a statistician you design a Fisher test and survey 4 customers on game learning time for each of the 3 games. The sample mean learning time for each game are below; The MSE value and degrees of freedom are 3.1 and 9 respectively. Allow for 90% confidence. Games Sample means 6.8 5.8

Explanation / Answer

SOLUTION:

a) critical value for 90% confidence. and 9 degree of freedom =1.83

b) test stat for mean A and B =|A-B|/(2*MSE/n)1/2  = 1.8 (here n=4)

c) test stat for mean A and C =|A-C|/(2*MSE/n)1/2  =0.7

d)test stat for mean B and C =|B-C|/(2*MSE/n)1/2  =2.5

E)we can not reject that mean of A and B and A and C are same

we can reject that mean of B and C are same

SO ANSWER:accept;accept;reject

f) B is dfferent and C. A and C and A and B are same

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