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Warm-Up

Warm-Up. You go to the snack bar to buy a bagel and a drink for lunch. You can choose from a plain bagel, a blueberry bagel, or a raisin bagel. The choices for a drink include water or a sports drink. How many different lunches can you make? Explain how you know.

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Warm-Up

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  1. Warm-Up • You go to the snack bar to buy a bagel and a drink for lunch. You can choose from a plain bagel, a blueberry bagel, or a raisin bagel. The choices for a drink include water or a sports drink. • How many different lunches can you make? Explain how you know. • What is the probability that a randomly chosen snack will include a blueberry bagel?

  2. Stats Quiz Review SWBAT calculate mean, median, and mode SWBAT construct and interpret stem and leaf diagrams and box and whisker plots SWBAT identify the number of combinations using the Fundamental Counting Principle and calculate simple probabilities

  3. Find the mean, median, and mode • The table below shows the number of inches of rain that fell on 14 towns in a 50-mile radius during a snow storm.

  4. Answer • Mean : 3.77… • Median: 3 • Mode: 3

  5. Make a stem and leaf plot of the data • Time spent studying (min) • 15, 17, 23, 27, 34, 42, 35, 60, 41, 25, 23

  6. Answer

  7. Find the Quartile points for the ages below.

  8. Q1: 31 • Median: 38 • Q3: 43.5

  9. Make a box and whisker plot for the ages below.

  10. Multiple Choice Find the range. 4.7 6.3 5.4 3.2 4.9

  11. Multiple Choice Make a stem-and-leaf plot for the following set of data. 1.1, 1.3, 1.8, 2.2, 2.6, 2.8, 3.1, 3.8

  12. Multiple Choice • What would x need to equal in order for the data set below to have an average of 130? {104, 137, 154, 131, x} • A. 124 • B. 125 • C. 127 • D. 122

  13. A) 0.250 lb B) 0.375 lb C) 0.5 lb D) 1.0 lb

  14. A) Soprano B) Alto C) Tenor D) Bass

  15. How many outfits can you make from 4 shirts, 3 pairs of pants, and 2 pairs of shoes?

  16. Information about girls' ice skates:    Colors:  white, beige, pink, yellow, blue   Sizes: 4, 5, 6, 7, 8   Extras:  tassels, striped laces, bells • Assuming that all skates are sold in one color, one size, and with one extra, how many possible arrangements exist?  

  17. What is the probability that a pair of ice skates chosen at random would have bells?

  18.  Burger Queen offers 4 types of burgers, 5 types of beverages, and 3 types of desserts.  If a meal consists of 1 burger, one beverage and one dessert, how many possible meals can be chosen?

  19. Your state issues license plates consisting of letters and numbers.  There are 26 letters and the letters may be repeated.  There are 10 digits and the digits may be repeated.  • How many possible license plates can be issued with two letters followed by three numbers?

  20. What is the probability that a license plate chose at random will be AB 123 ?

  21. Make a Scatter Plot of the Data Below

  22. Write an equation for the line of best fit for the scatter plot in the previous question.

  23. Use the linear model from the previous question to determine the average tuition in 2010. Did you use linear interpolation or linear extrapolation?

  24. State whether the graph below has positive correlation, negative correlation or no correlation.

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