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The following 6 summation questions (Q1 to Q6) are based on the table below: X Y 7 -4 3 -2 6 1 3 4 4 Q1: >X2Y Q2: (X 2Y) Q3: Y² + 10 Q4: (X)2 + >Y Q5: EXY Q6: (X) (Y) The following 6 questions (Q7 to Q12) are based on the histogram below: 5 4 3 2 1 2 5 8 11 14 Q7: What is the sample size? Q8: What score is associated with the 70th percentile? Q9: What percentile with a score of 6.5. Q10: What percentage of the people scored between 3.5 and 12.5? Q11: The histogram is A. unimodel B. bimodal C. modality D. a good example of outliers Q12: The histogram is A. negatively skewed B. positively skewed C. normally distributed D. none of the above The following 7 questions/computations (Q13 to Q19) are based on a sample summarized in the stemplot below: Stem Leaf 1 269 2 033388 3 Compute: Q13: mean Q14: median Q15: mode Q16: range Q17: interquartile range Q18: variance Q19: standard deviation

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1. ∑x ∑y=13*9=117
2. ∑(x-2y) =-5
3. ∑y²+10=77...

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