# Algebra I

you use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0,993. How confident can you be that your predicted value will be reasonably close to the actual value?
a. I can't be confident at all; this is about as close to a random guess as you can get
b. I can be a little confident; it might be close, or it may be way off
c. I can be very confident; it will be close, but it probably won't be exact
d. I can be certain that my predicted value will match the actual value exactly*****

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1. correct.

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👤
bobpursley
2. Guys, It Is B, D, B, C, C Bob Is INCORRECT

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3. @QouKa is correct! I got 100%

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4. QuoKa is right 100% on connexus

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5. What number is this ??

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6. they are all wrong. the correct ansers are
A,B,C,D,C

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7. Im in SCCA and doing lesson 8 unit 3, the correct answers are under. I got a 100% :)

1. Which type of correlation is suggested by the scatter plot? B. - Negative correlation
2. Which type of correlation is suggested by the scatter plot? D. - No correlation
3. What is the correlation coefficient for the set of data? Round your answer to the nearest thousandth. B. - 0.989
4. About how tall would you expect one of these trees to be after 22 years? C. - 44.25 ft.
5. You use a line of best fit for a set of data to make a prediction about an unknown value. The correlation coefficient for your data set is -0.993. How confident can you be that your predicted value will be reasonably close to the actual value? C. - I can be very confident; it will be close, but it probably won't be exact.

Have a great day:)

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8. huh

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