3 years ago

When figuring the pooled population variance estimate in a t test for independent means?

1 answer:

4 0

The appropriate response is a weighted average. It is a mean ascertained by giving qualities in an informational index more impact as indicated by some characteristic of the information. It is normal in which every amount to have arrived at the midpoint of is allocated a weight, and these weightings decide the relative significance of every amount on the normal.

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What is the slope of a line that is perpendicular to the line<br> v= -1/3x - 6

Amiraneli [1.4K]

Answer:

Step-by-step explanation:

the slope of a perpendicular line is the negative reciprocal of the original slope

a reciprocal is the inverse of a number, to find the reciprocal, just flip the numerator and denominator

in this cause, the slope is -1/3

the negative of it is 1/3 and the reciprocal is 3

therefore the slope of the perpendicular line is 3

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andrey2020 [161]

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3 years ago

A student concludes that the solution to the equation ( 2×+1+3=0 is×=4

Slav-nsk [51]

Answer:

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Step-by-step explanation:

2x + 1 + 3 = 0

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