Payton collected data to show the relationship between the number of hours he practices and the number of errors he makes when playing a new piece of music. The table shows his data.
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Given : Payton collected data to show the relationship between the number of hours he practices and the number of errors he makes when playing a new piece of music
To find : Slope of best fit line
Solution:
Hrs Errors
1 36
2 34
3 30
4 31
5 23
6 16
7 11
8 5
See attached graph
the approximate slope of the line of best fit for the data is - 4.5
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