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26. Calculate each value requested for the following set of scores. a. ?X X Y b. ?Y 1...

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Basic Math

26. Calculate each value requested for the following set ofscores.

a. ?X X Y

b. ?Y 1 6

c. ?X?Y 3 0

d. ?XY 0 –2

2 –4

27. Use summation notation to express each of the followingcalculations. a. Add 3 points to each score, then find the sum ofthe resulting values. b. Find the sum of the scores, then add 10points to the total. c. Subtract 1 point from each score, thensquare each of the resulting values. Next, find the sum of thesquared numbers. Finally, add 5 points to this sum.

28. Describe the relationships between a sample, a population, astatistic and a parameter.

Answer & Explanation Solved by verified expert
4.0 Ratings (571 Votes)
26Scores of X 1302 We define the values of X as X1 X2 X3X4 respectively So X11X23X30X42Scores of Y 6024 We define the values of X as Y1Y2Y3Y4respectively So Y16Y20Y32Y44aXXY X1X1Y1X2X2Y2X3X3Y3X4X4Y4 116330002224 60016 10bY Y1Y2Y3Y4 6024    See Answer
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