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# Illvodafone AU '55" 11:02 pm L 22% [E]! Done Table of Contents.docx [fl Part 2 Question 4 In this part of report regression analysis on the...

Hello everyone - I have a big problem with my statistic task

using regression analysis coment on the relationship between price and production cost (coment about the estimated coefficent (b1) , the coefficent of determination, model validity ( this is the most difficult part) and residual graph - I have some excel output data and I did something but I am not sure that I am right. - should I add hypothesis test for the slope of regression model (t test) ??Thank you for help.

.Illvodafone AU ’55“ 11:02 pm L 22% [E]! Done Table of Contents.docx [fl Part 2 Question 4 In this part of report regression analysis on the relationship between price and production cost
555mm m ;/ mefﬁei ail ofdetaninaion hm m5 {115%an EIII 122.5555 122555 II
MIII
IIWIII aleulatedF IIImIIIII
tba'lio‘eirs Era: Pirates 9.5% 9555 95.095 95.055 EEIIIEIIIIIII Table 8 Estimated coefﬁcient of regression is =12] .05+0.0241x
The price of shoes increasing by \$0.024] if one more shoes will be productecl, for zero cost of production the
price of shoes is \$121115 Coefﬁcient of determination — R Square: 0.11003123-
this meaning that only [1.113123% of changes in y (prices)
is because of changes in :5 (cost) Graph 5 General Conclusion

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