Strayer University - MAT 300 Unit 4 Milestone 4 Exam. Questions And Answers.

Strayer University - MAT 300 Unit 4 Milestone 4 Exam. Questions And Answers.Two bags each contain tickets numbered 1 to 10. John draws a ticket from each bag five times, replacing the tickets after each draw. He records the number on the ticket for each draw from both the bags: Bag 1 Bag 2 Draw 1 2 4 Draw 2 4 5 Draw 3 1 3 Draw 4 6 4 Draw 5 7 9 For the the first bag, the mean is 4 and the standard deviation is 2.5. For the second bag, the mean is 5 and the standard deviation is 2.3. Using the formula below or Excel, find the correlation coefficient, r, for this set of tickets John drew. Answer choices are rounded to the nearest hundredth. 0.56 0.75 0.50 6/29/2020 Sophia :: Welcome https://snhu.sophia.org/spcc/introduction-to-statistics-2/milestone_take_feedbacks/4306867 2/19 0.70 RATIONALE In order to get the correlation, we can use the formula: Correlation can be quickly calculated by using Excel. Enter the values and use the function "=CORREL(". CONCEPT Correlation 2 For the data plotted in the scatterplot, the r 2 value was calculated to be 0.9846. 6/29/2020 Sophia :: Welcome https://snhu.sophia.org/spcc/introduction-to-statistics-2/milestone_take_feedbacks/4306867 3/19 Which of the following sets of statements is true? 98.5% of the variation in yearly income is explained by a linear relationship with age. The correlation coefficient, r, is 0.992 98.5% of the variation in age is explained by a nonlinear relationship with yearly income. The correlation coefficient, r, is 0.969. 98.5% of the variation in yearly income is explained by a nonlinear re...

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