1. a researcher obtained a random sample of n= 60 students to determine if there were any significant preferences among 3 brands of colas. each student tasted all three brands and then selected his/her favorite. the frequency distribution was: brand a = 28, brand b = 14, brand c = 18. do the data indicate any preference among the three brands? (test with α = .05)

#15. square

step-by-step explanation:

because quadrilatural (idk how to spell it) means somthing that is not 3d or like, equal sides (or somthing like that   you know what i meanz)

hope this halps!

bai!

the formula of a slope:

from a table we have

substitute:

the slope of f(x) is -1.

the graph of funcfion g(x) is a horizontal line. the slope of a horizontal line is equal 0. therefore the slope of g(x) is 0.

-1 < 0