# A women’s clothing department wants to find out if there is a relati.pdf

24 de Mar de 2023
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### A women’s clothing department wants to find out if there is a relati.pdf

• 1. A women’s clothing department wants to find out if there is a relationship (and what kind of relationship) between the price of an item and the time that it takes to a customer to decide in buying that item. Item Price (x) Decision Time (in minutes) (Y) \$30 12 \$20 8 \$300 40 \$80 20 \$250 30 \$10 4 \$8 5 \$180 27 \$260 28 a. Using Excel construct a scatter plot. Discuss the output of the scatter plot. b. Calculate the following statistically useful quantities. ?X = ?Y= ?XY= ?X2= ?Y2= c. Calculate the correlation coefficient. Calculate the coefficient of determination. d. Calculate the regression equation coefficients; Give the equation of regression. e. How long the decision of buying will take if the item costs \$125.00? f. (very important) Based on the above calculated values in detail draw the conclusion: • Discuss the correlation coefficient r • Discuss the coefficient of determination r2 • Discuss the meaning of the regression equation Please show all work Solution
• 2. Hi i have solved this question in my notebook, but i can't type it and post it here because time has expired please rate me lifesaver and i'll make sure the answer is in your inbox! or my effort and time would go all in vain i don't do this generally but i am doing because of the circumstances