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;

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

The mean best describes the data.

Using the TI-83+ to find the Mean & Median of DataUnit 2, Lesson 2

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)

J F M A M J J A S O N D

Dauphin Island, Alabama

51 53 60 70 75 82 84 84 80 72 62 56

classrooms.tacoma.k12.wa.us/foss/dfinney/.../12.3_-_analyzing_data.ppt...

Enter the data into a list.1. Press the STAT button2. Choose EDIT3. Type your data

http://mathbits.com/MathBits/TISection/Statistics1/BasicCommands.htm

Using the data in the table, find the mean, median, and mode for the

water temperatures in Dauphin Island, AL.




51 53 60 70 75 82 84 84 80 72 62 56


Find the Mean.1. Press 2nd and the STAT

button to access LIST2. Arrow over to MATH3. Choose 3:mean(4. Type 2nd and 1 to insert

L1

Using the data in the table, find the mean and median for the water

temperatures in Dauphin Island, AL.




51 53 60 70 75 82 84 84 80 72 62 56


Find the Median.1. Press 2nd and the STAT

button to access LIST2. Arrow over to MATH3. Choose 4:median(4. Type 2nd and 1 to insert

L1

The mean is about 69.1°F and the median is 71°F.

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 button2. Choose EDIT3. Type your data

http://mathbits.com/MathBits/TISection/Statistics1/MeanModeMedian.htm

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.


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.


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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;