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seropon [69]
3 years ago
13

Which research method has the lowest likelihood of an observer effect?

Advanced Placement (AP)
1 answer:
Ainat [17]3 years ago
7 0
Natural observation I think I’m so dusty
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Find the correlation coefficient, r, of the data described below,
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Answer:

r = 0.7575

Explanation:

Result Details & Calculation

This is a strong positive correlation, which means that high X variable scores go with high Y variable scores (and vice versa).

X Values

∑ = 78

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∑(X - Mx)2 = SSx = 337.2

Y Values

∑ = 428

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R Calculation

r = ∑((X - My)(Y - Mx)) / √((SSx)(SSy))

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Meta Numerics (cross-check)

r = 0.7575

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