- A value that represents the center of a data set
- Can be the mean,median, or mode
Data Set - is a number that you must arrange in order from least to greatest
Median - the middle number in a set of data after the data have been arranged in ordereg.
- median of 2,5,6,8,9 is 6
- median of 1, 3, 6, 8, 9, 10 is 7
Mode - the frequently occurring number in a set of data
mode and most have 4 numbers
- mode of 3,5,7,7,9 is 7
- mode of, 2, 4, 6, 6, 8, 11 is 2 and 6
- mode of 1, 2, 3, 5 is no mode
- mode of 1, 1, 1, 2, 2, 2, 3, 3, 3 is no mode
- mode of 1, 1, 1, 2, 2, 2, 3, 3, 3, 4 is 1, 2 and 3
Mean - a measure of a central tendency, the sum of the set of value divided by the number of values in the set (add up all the numbers, divide that by how many numbers there in the set.)
- mean of 6,4,8 is 6
4,6,8
4+6+8=18
Range - The positive between the largest and smallest values in a data set
- range of 1,3,4,5,5,6,6,8,8,9
9 - 1 = 8
- range of -7, -4, -2, -1
(-1) - (-7) = 6
Outlier - a value that is much larger or smaller then the other data value
the data set may have more then 1 outlier or 0 outliers
outliers are 1,67,67,67,65,100 - 1 and 100
Here is a link/game on calculating median, mode, mean and range
Here is a video:
4 comments:
hannah! your post is amazing.. it really helps me and i like how it is really colorful. on your last one (outliers) i think you have forgotten to answer it because it only shows the data set. other than that, great gob! :)
Hi Hannah, awesome job on your scribe post! I really liked how you used different colour fonts for each of your paragraphs, that made them stand out more and easier to read. I also liked the video that you added because it was very easier to understand. But on your last paragraph you forgot to answer the question. The answer to the question is 1 and 100. I noticed that you already have a link but I had found another link that I think you might like:
http://ca.ixl.com/math/grade-7/circle-graphs-and-central-angles
Hi Hannah, awesome scribe post! Your scribe post was really organized and really easy to read. I liked that you used different colors for the font, it really made it stand out. I also like your picture, it was easy to understand. I know you already have a link but here's one I thought was really interesting:
http://ca.ixl.com/math/grade-7/calculate-mean-median-mode-and-range
Great job Hannah!
Hi Hannah! Awesome scribe post. I like how your fonts are colorful and easy to read, also the picture.
GOOD JOB HANNAH! :)
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