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Thursday, March 27, 2008

Scribe Post for Wednesday (3-26-08)

Wednesday March 26 2008
By: Lauren Mobly

Do Now


Here are the questions and answers on the Do now:

1.Explain fully what the slope and y-intercept
represent in this case.
The Y- intercepts represents the average amount a sales person made in 1998 and the total was $25,650.00. The slope represents the difference in which the total amount a sales person got paid was between 1998 and 2008.
2.Predict the value of what "y" would be given an "x"
value that is 10 units higher than your largest "x" value
in your table data.
The "Y" with a given "X" would be 48.05 if the "X"
was 20.
3.Explain what you would do to find out.
I added 20 to the formula because 20 as an "X" value
is higher than the one i have now.
4.Explain how on might judge, before collecting data, if a pair
of variables has a linear relationship.
One might judge that if they see that the variables has a
linear relationship is just simply see the pattern in the numbers
and hopefully pick them up.

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