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Quiz Review

Quiz Review. Your Quiz is Tomorrow!!!!!. Quiz: Tuesday. Conversions: Convert between units of measurements. Central Tendency: Find mean, median, mode, and range. Visual Representations: Find mean, median, and mode from a frequency chart or a stem-and-leaf plot.

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Quiz Review

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  1. Quiz Review Your Quiz is Tomorrow!!!!!

  2. Quiz: Tuesday • Conversions: Convert between units of measurements. • Central Tendency: Find mean, median, mode, and range. • Visual Representations: Find mean, median, and mode from a frequency chart or a stem-and-leaf plot. • Average: Find the missing value when given the average and all the other values.

  3. Single Step Conversions Convert 32 inches to feet. feet inches inches • = = = feet Convert 4 feet to inches inches feet feet = •

  4. Multi-Step Conversions Convert 32 pints to gallons. pints quarts pints gallons quarts = • • = Convert 2 miles per hour to feet per min miles hour feet mile hour min • • = = =

  5. Central Tendency Find the mean, median, mode, and range of the following numbers: 6, 4, 8, 0, 4, 4, 2 Mean: Median: Mode: 4 Range:

  6. Frequency Tables Find the mean, median, and mode of the following frequency table: Mean 14 Median 30 15 8 Mode

  7. Stem-and-Leaf Plot Find the mean, median, and mode of the Stem-and-Leaf Plot. Mean 9 8 7 6 0 4 2 8 8 5 5 5 6 9 Median The median falls between the 5th and 6th number. Mode The number 75 appears three times!

  8. Find Missing Data Value Henry wants an 85 average. His first four test scores are a 79, 90, 82, and 88. What must he score on his next test to achieve an 85 average? How many points must he have to have an 85 average? 85 • 5 = 425 points How many points does he have now? 79+90+82+88 = 339 points How many points will he need? 425 – 339 = 86 points

  9. More Missing Data Values Harold averages 17 points a game and has played 7 games. If he wants to average 20 points a game, how many will he need to score in his next game? How many points is needed for a 20 point average? 20 • 8 = 160 How many points does Harold currently have? 17 • 7 = 119 How many points does he need in his next game? 160 – 119 = 41 points

  10. Good luck on the quiz tomorrow!

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