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stastics- correlation and regression

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for the table that follows: answer the following questions:
x y
1 -1/4
2 -1/2
3 -3/4
4 ?

* would the correlation between x and y in the table show above be positive or negative? i think that it would be negative, i am not sure that is correct?

* find the value of y in the table? i think that it is 4/4 or 1, is that correct?

* how would the values of this table be interpreted i terms of linear regression? please explain.

thank you. mary hornbeck

  • stastics- correlation and regression -

    When x increases by 1, y increases by 1/4. 1 is correct, but if both variables increase, is that a positive or negative correlation?

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