statistics revition - chapter 2 numerical measures

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  • Created by: zofia
  • Created on: 05-04-13 19:47
The central value of the data (when the data is arranged in order) is called the _______.
median
1 of 6
If you add all the values, then divide by the number of values then you get the ______ of the data.
mean
2 of 6
To estimate the median or mean of grouped data you first find the ________ of all the groups.
midpoint
3 of 6
What do you find if you take away the lowest value from the highest value?
range
4 of 6
To find the interquartile range of the data, you take away the _____ ________ from the upper quartile.
lower quartile
5 of 6
The interquartile range shows the middle __% of the data.
50
6 of 6

Other cards in this set

Card 2

Front

If you add all the values, then divide by the number of values then you get the ______ of the data.

Back

mean

Card 3

Front

To estimate the median or mean of grouped data you first find the ________ of all the groups.

Back

Preview of the front of card 3

Card 4

Front

What do you find if you take away the lowest value from the highest value?

Back

Preview of the front of card 4

Card 5

Front

To find the interquartile range of the data, you take away the _____ ________ from the upper quartile.

Back

Preview of the front of card 5
View more cards

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