Brainliest
will and rate
coach woods made a comparison of geometry quiz scores in his 2nd and 4th period classes: 2nd period 4th period 13 13 13 14 12 and 13 16 15 14 standard 4.3 6.72 what can coach woods conclude about the comparison of quiz scores?
a) the average score was lower for 4th period.
b) the average score was greater for 4th period.
c) there was less variation in scores for 4th period.
d) there was more variation in scores for 4th period.

5: 20

step-by-step explanation:

33/100 is what i got

there is only one way to arrange all the eight relative to each other because they are not distinct. we have

now there are nine places to place an (and not more than one in one place).   because we have four symbols, we need to choose four of these nine places to insert an . order does not matter because the are not distinct.

thus there are 1 · c(9,4) ways, or, if we calculate it,

thus there are 126 ways to form such "words."