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April 19, 2014

April 19, 2014

Posted by **Bill** on Wednesday, May 19, 2010 at 10:44am.

Display the data in a stem-and-leaf plot.

1. Find the mean.

2. Find the median.

3. Find the mode.

4. Find the range.

5. Find the variance.

6. Find the standard deviation.

- math -
**Jen**, Wednesday, May 19, 2010 at 1:15pmStem and leaf plots are done in order. The stems are the tens places and the leaves are the ones.

Stem: Leaf:

5 7 8

For 57, 58. Continue doing this with the remaining numbers in order.

The mean is the average. Add all of your numbers up and divide by the amount of numbers you have. For the median, put the numbers in order from greatest to least (or vice versa) and find the number in the middle. If there are two numbers in the middle, take the average of them. The mode is the number used the most. The range can be found by subtracting the smallest number from the highest number. Sorry, I forget variance and standard deviation. If you want to post your answers, I'll be happy to check them.

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