1. Math on the Mind Find the mean, median, and mode. Which measure of central tendency best describes the data? 49 52 53 56 62 61 55 52 mean 55; median 54; mode 52; The mean best describes the data.

2. Using the TI-83+ to find the Mean & Median of Data Unit 2, Lesson 2

3. Using the data in the table, find the mean, median, and mode for the water temperatures in Dauphin Island, AL. Gulf of Mexico Eastern Coast Water Temperatures (°F) JFMAMJJASONDJFMAMJJASOND Dauphin Island, Alabama 515360707582848480726256 classrooms.tacoma.k12.wa.us/foss/dfinney/.../12.3_-_analyzing_data. ppt... Enter the data into a list. 1.Press the STAT button 2.Choose EDIT 3.Type your data http://mathbits.com/MathBits/TISection/Statistics1 /BasicCommands.htm

4. Using the data in the table, find the mean, median, and mode for the water temperatures in Dauphin Island, AL. Gulf of Mexico Eastern Coast Water Temperatures (°F) JFMAMJJASONDJFMAMJJASOND Dauphin Island, Alabama 515360707582848480726256 classrooms.tacoma.k12.wa.us/foss/dfinney/.../12.3_-_analyzing_data. ppt... Find the Mean. 1.Press 2 nd and the STAT button to access LIST 2.Arrow over to MATH 3.Choose 3:mean( 4.Type 2 nd and 1 to insert L1

5. Using the data in the table, find the mean and median for the water temperatures in Dauphin Island, AL. Gulf of Mexico Eastern Coast Water Temperatures (°F) JFMAMJJASONDJFMAMJJASOND Dauphin Island, Alabama 515360707582848480726256 classrooms.tacoma.k12.wa.us/foss/dfinney/.../12.3_-_analyzing_data. ppt... Find the Median. 1.Press 2 nd and the STAT button to access LIST 2.Arrow over to MATH 3.Choose 4:median( 4.Type 2 nd and 1 to insert L1 The mean is about 69.1°F and the median is 71°F.

6. Another Method of Finding the Mean and Median Given the data set {13, 3, 10, 9, 7, 10, 12, 8, 6, 3, 9, 6, 11, 5, 9, 13, 8, 7, 7} find the mean, median and mode. Enter the data into a list. 1. Press the STAT button 2. Choose EDIT 3. Type your data http://mathbits.com/MathBits/TISection/Statistics1/MeanModeMedian.htm

7. 1. Press STAT. 2. Arrow to the right to CALC. 3. Choose option #1: 1-Var Stats. 4. Press ENTER. 5. Arrow up and down the screen. http://mathbits.com/MathBits/TISection/Statistics1/MeanModeMedian.htm

8. Find the Mode  STAT, #2 SortA(, and specify L1  Look at the list ( STAT, #1 EDIT ). Examine the data to see which value(s) appear(s) most often.  The mode for this data set is 7 and 9. Each of these values appears 3 times in the data set. http://mathbits.com/MathBits/TISection/Statistics1/MeanModeMedian.htm