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OpenStudy (anonymous):
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jimthompson5910 (jim_thompson5910):
do you have any spreadsheet program? like openoffice or excel?
jimthompson5910 (jim_thompson5910):
ok one sec
OpenStudy (anonymous):
@jim_thompson5910
jimthompson5910 (jim_thompson5910):
were you able to find the correlation coefficient?
jimthompson5910 (jim_thompson5910):
so you just plotted the points?
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jimthompson5910 (jim_thompson5910):
how did you figure out part A?
jimthompson5910 (jim_thompson5910):
this? http://www.alcula.com/calculators/statistics/linear-regression/
jimthompson5910 (jim_thompson5910):
I went to the website
jimthompson5910 (jim_thompson5910):
click the "correlation coefficient" link
jimthompson5910 (jim_thompson5910):
tell me what it says
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jimthompson5910 (jim_thompson5910):
good
jimthompson5910 (jim_thompson5910):
that's very close to -1 so that mathematically proves the data points are very very close to a straight line
jimthompson5910 (jim_thompson5910):
which also proves a very strong negative linear correlation
jimthompson5910 (jim_thompson5910):
and I agree with the answers you posted above
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