Which of the following statistics provides us with a measure of the variation in the dependent variable explained by the simple linear regression model?

group of answer choices
standard deviation
r-squared
slope
t-statistic
sample size

Anew fountain in the shape of a hexagon will have 6 sides of equal length. on a scale drawing, the coordinates of the vertices of the fountain are: (7.5,5), (11.5,2), (7.5,−1), (2.5,−1), (−1.5,2), and (2.5,5). how long is each side of the fountain?

Se tiene en una caja de canicas 10, 4 blancas y 6 negras ¿cual es la probabilidad que en 2 extracciones con reemplazo sean blancas? ¿cual es la probalidad que en 2 extracciones sin reemplazo sean negras?

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount