Plаce yоur nаme оn аll pages. Number apprоpriately, and solve on your paper. You must show all work to receive credit. Answer according to methods presented in the class or textbook. Partial credit is possible. ----------------------------------------------------------------- (15 pts) Consider the following data set below, which shows how many hours students studied for the exam and the grade on the exam. x y Hours Studied Grade on Exam 4 74 9 86 11 93 Find the value of the slope (m).
Plаce yоur nаme оn аll pages. Number apprоpriately, and solve on your paper. You must show all work to receive credit. Answer according to methods presented in the class or textbook. Partial credit is possible. -------------------------------------------------------------------- We want to determine if 2 restaurants' drive-through serving times were different for 2 locations. The data is presented here in seconds that it took for customers to get served when going through the drive through: Wendy’s Burger King Chelsea 265 310 270 320 Harlem 250 300 245 305 And partial two-way ANOVA results (α=0.05{"version":"1.1","math":"α=0.05"}) are below: ANOVA Source of Variation SS df MS F P-value F crit Sample 528.125 1 528.125 24.14286 0.007966 7.708647 Columns 5253.125 1 5253.125 240.1429 0.000101 7.708647 Interaction 28.125 1 28.125 1.285714 0.320188 7.708647 Within 87.5 4 21.875 Total 5896.875 7 a. (5 pts) The first analysis of the results should be conducted in the row containing what word? b. (10 pts) According to the ANOVA results, what do we determine about location as it relates to drive-through serving times? In other words, are drive-through serving times virtually the same across both locations, or are they significantly different? Draw a picture showing the test statistic and the cutoff value to substantiate your answer. c. (10 pts) According to the ANOVA results, what do we determine about restaurants as they relate to drive-through serving times? In other words, are drive-through serving times virtually the same across both restaurants, or are they significantly different? Draw a picture showing the test statistic and the cutoff value to substantiate your answer.