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help with a math problem my friend cant solve.?
The population of a small town is shown in the table.
year|1999|2000|2001|2002|2003
population|14,745|15,039|14,935|15,252| 15,225
Would you expect the correlation coefficient for the line of best fit to be positive or negative? Explain your answer. ty so much in advance
4 Answers
- SaveEnergyNow!Lv 51 decade agoFavorite Answer
the correlation should be positive, as the population is increasing over time.
in fact, given the data you put up, the correlation coefficient is about 0,88114
- ?Lv 41 decade ago
The population is going up and down, but it is going up more than down. It is trending positively. It thus has a POSITIVE correlation with time, albeit not a very strong one.
- grunfeldLv 71 decade ago
positive. usually it is positive when something is increasing.
Source(s): my brain. I been doing math for over 20 years and am a math genius.
