When two components are placed next to each other, such as XY, it means
a. add the two components.
b. subtract the second component from the first component.
c. multiply the two components.
d. divide the second component into the first component.
Question 2
In standard statistical notation, X and Y are used to stand for
a. each individual score obtained in a study.
b. instructions to multiply or divide in a formula.
c. instructions to add or subtract in a formula.
d. summary statistics such as sums or means.