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Data Analysis Quiz I Tuesday, December 3 rd ARE YOU READY ???

Data Analysis Quiz I Tuesday, December 3 rd ARE YOU READY ???. What is 30% of $22.00 ?. $6.60. What is 25% of $96.00. $24.00. Copy the following set of data: 34, 35, 25, 20, 12, 12, 35, 18. Calculate the MEAN. Round to the nearest tenth. 191 ÷ 8 23.875 23.9. he is mean… get it ?.

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Data Analysis Quiz I Tuesday, December 3 rd ARE YOU READY ???

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  1. Data AnalysisQuiz ITuesday, December 3rdARE YOU READY ???

  2. What is 30% of $22.00 ?

  3. $6.60

  4. What is 25% of $96.00

  5. $24.00

  6. Copy the following set of data:34, 35, 25, 20, 12, 12, 35, 18

  7. Calculate the MEAN.Round to the nearest tenth.

  8. 191 ÷ 823.875 23.9 he is mean… get it ?

  9. Calculate the MEDIAN.Round to the nearest tenth.

  10. 22.5

  11. Find the MODE and the RANGE.

  12. mode: 12, 35range: 23

  13. True or False ? The MEAN is sometimes affected by an Outlier.

  14. True or False ? The MEAN, MEDIAN and MODE can be the same number.

  15. What is the median position of a set of 85 data pieces ?

  16. 43rd

  17. What is the median position of a set of 280 data pieces ?

  18. 140 and 141

  19. The median position of a set of data is the 225th piece of data. How many pieces of data are in the set ?

  20. 449

  21. The median positions of a set of data are the 105th and 106th piece of data. How many pieces of data are in the set ?

  22. 210

  23. You are in a line of 351 people and you are the exact middle. How many people are behind you in the line ?

  24. 175 are behind you.(you are 176 !)

  25. Rudolpho is in the middle of a line of people. There are 41 people ahead of him in line. How many people are in the line altogether?

  26. 83 people are in the line.

  27. Thing 1 and Thing 2 are the 208th and 209th people in a line. They are the exact middle of the line. How many people are in line after them ?

  28. 207

  29. You are in the middle of a line of 17 people. It takes the bank teller 5 minutes to take care of each person. How long will you be waiting for your turn ?

  30. 40 minutes You are 9th. There are 8 people in front of you !

  31. Find the average • Nine boxes of iPods weigh 48 lbs. and six other boxes weigh 27 lbs. What is the average weight of all the boxes together?

  32. Find the average 5 lbs.

  33. Find the average The average of 14 numbers is 142. The average of 11 other numbers is 108. Find the average of all the numbers. Round to the nearest whole number.

  34. 127

  35. Find the average If 8 suitcases weigh 260 lbs. and 4 other suitcases weigh 94 lbs., what is the average weight of all the suitcases together? Round your answer to the nearest tenth.

  36. Find the average 29.5 lbs.

  37. Find the average If 8 students in row # 5 have an average weight of 118 lbs. and 12 students in row # 2 have an average weight of 112 lbs., what is the average weight of the students in both rows? Round your answer to the nearest tenth.

  38. Find the average 114.4 lbs.

  39. Given the following data set: 23, 35, 43, 51, 28 , 27, 28If you add an outlier of 200, what measure of central tendency will NOT change ? A) mean B) medianC) mode D) they all change

  40. Given the following data set:16, 25, 20, 25, 38, 30, 25, 18If you add an outlier of 200, what measure of central tendency will NOT change ? A) mean B) medianC) range D) they all change

  41. If seven bags of sugar weigh 83 lbs and six other bags weigh 88 lbs, what is the average weight of all the bags together ?

  42. 83 + 88 = 171171 ÷ 1313.2 lbs

  43. Brendan earned the following marks in math class: 95, 86, 92, 81, 65. What does he need to get on his next test in order to obtain an 84 average?

  44. 85 %

  45. x + (– 18) = – 4

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