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fitzghost
19.09.2019 •
Mathematics
Can someone me answer this question
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Ответ:
Once you have those, plug them into y2 - y1 / x2 - x1.
I got 68. But do it yourself to check.
Hope this helped!
Ответ:
r represents a significant linear correlation.
Step-by-step explanation:
GIven : Linear correlation coefficient: r = 0.543
Sample size: n= 25
Significance levle:![\alpha=0.05](/tpl/images/0709/9279/bf34f.png)
Degree of freedom : n-2 = 25-2=23
Now, we check r critical value table for value with df = 23 and
.
Critical value = ±0.396 [From r critical value table]
Since r = 0.543 > 0.396, that means there is significant linear correlation.
Hence, r represents a significant linear correlation.