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# Not sure what this statistics question is asking.. watch

1. Hey, I'm currently half way through a stats assignment that needs to be in on weds and I'm not sure what the question is asking of me. If anyone can set me on the right path that would be great!

The module is called use of statistics so basically we have to show we understand and know basic stat skills.

4. Understand standard deviation and the characteristics of the normal distribution
- Calculate and interpret standard deviation for:
o grouped data and
o ungrouped data
- Use normal distribution tables on simple cases

We have been given a data set of teenagers which include their IQ, BMI, Weight, Avg tv hours, distance from home, pets and a few more..

any help would be appreciated, stats is my worst subject!
2. Make one lot of data a set of data that is grouped. for example, if i had a set of data that was heights, i could group them (unless they are already grouped) as, say:

x<100cm
100 cm > x > 110 cm
110 cm > x > 115 cm

so on so forth.

Then from there work out the standard deviation.
Then what else do you need to know for the standard deviation?

Ten work out the normal distributions.

That's my interpretation of it anyway.

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Updated: January 6, 2013
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