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sveta [45]
3 years ago
12

If the coefficient of determination for a data set is 0.25 and the SSE for the data set is 6, what is the SST for the data set ?

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
7 0

Answer: The SST for the data set is 8.

Step-by-step explanation:

Since we have given that

Coefficient of determination (R²) = 0.25

SSE for the data = 6

SST = ?

As we know the formula for coefficient of determination:

R^2=1-\dfrac{SSE}{SST}\\\\0.25=1-\dfrac{6}{SST}\\\\0.25-1=-\dfrac{6}{SST}\\\\-0.75=-\dfrac{6}{SST}\\\\SST=\dfrac{6}{0.75}\\\\SST=8

Hence, the SST for the data set is 8.

kolezko [41]3 years ago
3 0

Answer:

9

Step-by-step explanation:

The correct answer is: 9.

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