Which table of data represents a proportional relationship? A)
X Y
20 30
40 50
80 70
B)
X Y
8 2
8 4
8 6
C)
X Y
100 10
125 20
175 30
D)
X Y
3 48
5 80
6 96

Asimple random sample of size nequals14 is drawn from a population that is normally distributed. the sample mean is found to be x overbar equals 70 and the sample standard deviation is found to be sequals13. construct a 90% confidence interval about the population mean

The angle of a triangle are given as 6x,(x-3), and (3x+7). find x then find the measures of the angles

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.