Answer:
7 blue marbles
Step-by-step explanation:
because 3:7 equals red:blue so blue = 7
This is how you work it out:
u + xy
Plug in your numbers that you know:
20 + 9 * 8
20 + 72
92
Answer:
B. (2,8), because both equations intersect at this point
I believe the correct answer would be A. The best correlation to use to measure the relationship between gender and grade point average for a group of college students would be the point-biserial correlation. It is coefficient that is used when a variable is dichotomous or that the variable is part of a whole set. It is used in measuring the direction of the correlation that is present between a dichotomous variable and a continuous variable. From the question, the dichotomous variable would be the grade point average for a group of college students while the other variable is the continuous one.
Answer:
15.6
Step-by-step explanation:
40% × 39 = 15.6
Hope this helps