Agroup decides to go white-water rafting on a river. the map they have of the river has the scale 3 inches: 7 miles. on the map, the distance between the start point and the end point of their trip is 15 inches. what is the actual distance?

Ahypothesis is: a the average squared deviations about the mean of a distribution of values b) an empirically testable statement that is an unproven supposition developed in order to explain phenomena a statement that asserts the status quo; that is, any change from what has been c) thought to be true is due to random sampling order da statement that is the opposite of the null hypothesis e) the error made by rejecting the null hypothesis when it is true