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TODAY IN ALGEBRA…  Warm Up: Mean, Median, Mode, Range  Learning Target: 13.7 You will make stem-and-leaf plots  AT – Test corrections or missing assignments.

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Presentation on theme: "TODAY IN ALGEBRA…  Warm Up: Mean, Median, Mode, Range  Learning Target: 13.7 You will make stem-and-leaf plots  AT – Test corrections or missing assignments."— Presentation transcript:

1 TODAY IN ALGEBRA…  Warm Up: Mean, Median, Mode, Range  Learning Target: 13.7 You will make stem-and-leaf plots  AT – Test corrections or missing assignments

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3 STEP 1: Create the STEM using the 10’s digit STEP 2: Write the LEAVES in increasing order using the 1’s digit STEP 3: Write a key Stem Leaves

4 STEP 1: Create the STEM using the 10’s digit STEP 2: Write the LEAVES in increasing order using the 1’s digit STEP 3: Write a key Stem Leaves

5 STEP 1: Create the STEM using the first 3 digits. STEP 2: Write the LEAVES in increasing order using the 1’s digit STEP 3: Write a key Stem Leaves

6 13.6 MEAN, MEDIAN, MODE CHECKPOINT: Complete problems Pg.883: 3-7

7 13.7 STEM-AND-LEAF PLOTS CHECKPOINT: Complete problems Pg.883: 3-6 Stem Leaves Stem Leaves

8 13.7: STEM-AND-LEAF PLOTS CHECKPOINT: Complete problems Pg.883: 3-6 Stem Leaves Stem Leaves

9 STEP 1: Create the STEM using the 10’s digit STEP 2: Write the LEAVES in increasing order using the 1’s digit on BOTH sides. STEP 3: Write a key Women Men 43117

10 13.7 STEM-AND-LEAF PLOTS The great thing about back-to-back stem-and-leaf plots: We can easily compare data! EXAMPLE: The ages of 2004 Olympic gymnastics teams. Make a back-to-back stem-and-leaf plot of the data. What can you generalize about the ages of the men and women in the 2004 Olympic gymnastics teams? Men were generally older than the women Women Men 43117

11 13.7 STEM-AND-LEAF PLOTS EXAMPLE: The ages of 2004 Olympic gymnastics teams. Make a back-to-back stem-and-leaf plot of the data. 1. What is the mean, median, mode and range for the men’s ages? Women Men 43117

12 13.7 STEM-AND-LEAF PLOTS EXAMPLE: The ages of 2004 Olympic gymnastics teams. Make a back-to-back stem-and-leaf plot of the data. 1. What is the mean, median, mode and range for the women’s ages? Women Men 43117

13 13.7 STEM-AND-LEAF PLOTS PRACTICE: Find the mean, median, mode and range of Set A and Set B. SET A:

14 13.7 STEM-AND-LEAF PLOTS PRACTICE: Find the mean, median, mode and range of Set A and Set B. SET B:

15 13.7 STEM-AND-LEAF PLOTS CHECKPOINT: Complete problems Pg.884: 17, 20, 21

16 13.7 STEM-AND-LEAF PLOTS CHECKPOINT: Complete problems Pg.884: 17, 20, 21


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