There are various statistical tests which determine the differences between groups or more like anova, t-test, f-test, etc. examples on the other hand of test statistics that examine the relationship of variables includes linear regression which tests the r^2 and correlation.
Multiply 20 by 37. This is 740. Divide this by 2, this is 370. She will donate $370 to charity
500,000 round up from 491,852 to 500,000
Answer:
there are 620 comic books
Step-by-step explanation:
let number of comic books be x
total books=3x+x
2480=4x
2480/4=x
620=x
Answer:
.55 or 11/20
Step-by-step explanation:
multiply 2 3/4 by 1/5 to get the pounds of apples Sage uses.