What angle is between 100 degrees and 170 degrees

Mathematics

1 answer:

Brrunno [24]3 years ago

5 0

Answer:

Acute angle

Step-by-step explanation:

170-100=70

An angle between 0 and 90 degrees is an acute angle.

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Fran brings home $225 per week working 15 hours of which she is able to save $40. Fran wants to have $1,400 saved at the end of

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For a bivariate random variable (x, y ), if the covariance is 1225, the variance of x is 1600, and the variance of y is 2500. Fi

prisoha [69]

If the covariance is 1225, variance of x is 1600,variance of y is 2500 then the correlation coefficient between x and y is 0.6125.

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We have to find the correlation coefficient between x and y.

Covariance is basically a measure of the joint variability of two random variables.

Variance is a basically a measure of dispersion, meaning it is a measure of how far a set of numbers is spread out from their average value.

The correlation coefficient is basically the specific measure that quantifies the strength of the linear relationship between two variables in a correlation analysis.

We know that the formula of correlation coefficient is as under:

r= $covariance (x,y)/\sqrt{variance(x)}*\sqrt{variance (y)}$