2 years ago

PLATO! 17 POINTS! WILL MARK BRAINLIEST!

Mathematics

1 answer:

Korolek [52]2 years ago

6 0

The answer is between B and C.

There are two different versions of standard deviation. The population standard deviation will use the formula shown in choice C, while the sample standard deviation uses the formula in choice B.

The instructions arent fully clear which your teacher wants. I would ask them for further clarification. I'm sorry I'm not more helpful.

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tino4ka555 [31]

Answer:

(2) Real and equal (i.e., repeated roots), if D = 0.

Step-by-step explanation:

.In a quadratic equation ax2 + bx + c = 0, if discriminant is D= b2 - 4ac, then roots of the quadratic equation are

Real and equal (i.e., repeated roots), if D = 0.

If the D > b² - 4ac then it's real and distinct.

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Answer:

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