Wednesday, June 8, 2011

Measure of central tendency

VALUE- A value that represents the center of a data can be the mean, median or mode.
Data st is a group of numbers that must arrange in order from least to greatest.
example-


MEDIAN- The middle number in the set of data after the data have been arrange in the order.
example-



MODE- The most frequently occurring number in a set of data.
Mode and most have 4 letters and the letter M and O in the beginning
example-
-


MEAN- A measure of central tendency the sum of a set of values divide by the number of values in the set , add up the number and divide that by how many numbers there are.
example-
4,6,8; 4+6+8+=18; 18/3=6


RANGE- The positive difference between the largest and the smallest values in a data set.
example-
9, 8, 8, 6, 6, 5, 5, 4, 3, 1; 9-1=8 biggest take away littlest


OUTLIER- A value that is much larger or smaller then the other data value, the data set may have more then 1 outlier for the following.
example-
outlier for 1,67,68,67,64,65,100 are 1 and 100.


Here is a video for you guys (:


Here a game you guys could play. Good-luck on the game ! (:


DON'T FORGET HOMEWORK BOOKLET DUE THIS MONDAY !

GOOD-LUCK ON THE TEST !

Don't forget to comment, goodnight
kbyee (:




8 comments:

j.b.816 said...

Good Job! I see you took time doing the post! I think you should have use a different video.

Charisse817 said...

Wow, good job Nikka! Much better than Jb's HAHAHA. I liked how you explained everything and you put pictures, a video, and a link. It really helps people understand more if you add pictures. You know what makes your post more standing out? If you changed the color of the typing. But everything was well done (:

liyanah817 said...

Good Job Nikka!
I like how you made kept everything organized. I also like your video!
Great Job again :) !

kim873 said...

Great job Nikka! :) It was very comprehend-able and I liked how you put a video to go with it. You did a lot of explaining and it was well organized. Keep it up! :)

kyanna 718 said...

Great job Nikka you explained it very good I like your pictures and video GREAT WORK!!!

Paolob said...

Good job nikka!...it really help me for test..The video said alot to what you where talking about.

Adrian817 said...

Great Job Nikka!!! The information really helped and next time you should at some colour to the text but anyway great job:)

Joy873 said...

I like the pictures and the colours