HuIlIeWUlR:CH 8.3 Régression model validation Save Score: 0.43 of 1 pt 1 of 5 (1

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HuIlIeWUlR:CH 8.3 Régression model validation Save Score: 0.43 of 1 pt 1 of 5 (1 complete) HW Score: 8.57%, 0.43 of 5 pts o o 13.7.42-T Question Help * marketing manager uses shelf space for pet food to predict weekly sales for 12 stores. The results show that b, 7.5 and Sh. 1.52. a. At the 0.05 level of significance, is there evidence of a linear relatio b. Construct a 95% confidence interval estimate of the population slope, a. Determine the hypotheses for the test. Choose the correct answer below. B. Ho Poso Click to select your answer and then click Check Answer. Check Answer Clear All 5:45 PME 11/28/2017

Explanation / Answer

Ans is F

When there is linear relationahip then it means shelf space is a significant factor in inflyencing sale amd in this case we will reject the null hypothese that b1=0

2) confidence interval.

Lowef limit 7.5-1.96(1.52/120.5)=7.5-0.8610=6.63

Upper limit=7.5+.8610=8.361

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