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Question 4 2 out of 2 points Which of the following sampling methods is statistically most efficient? Selected Answer: stratified sampling Answers: simple random sampling systematic sampling stratified sampling cluster sampling sampling with replacement Question 5 2 out of 2 points Open the Excel file DF1.6 that is in the CML1 quiz folder. Copy the following data below (that is in bold). Add this data as a new row to the existing data file DF1.6. It is easiest to make this new data the last row in the existing data file. Team Rank Kicks Goals Tackles Z 17 186 12.5 41 After you add this new row to DF1.6, use Excel to calculate the coefficient of correlation between goals and tackles (as a number between -1 and 1 correct to four decimal places). Selected Answer: 0.19 63 Correct Answer: Evaluation Method Correct Answer Exact Match 0.1963 Exact Match .1963 Question 6 0.99999 out of 3 points Which of the following are characteristics of ANY symmetric distribution? Selected Answers: The mean, median and mode must all equal each other. The distance from the mean to Q1 is the same as the
distance from the mean to Q3.

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• Exact Match, DF1.11C

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