The water in a barrel is 24 inches deep. When the plug is pulled out of the barrel, the water depth is reduced 3 inches each hour. If this was to be modled in a linear equation, y=mx+b, what would be the slop, m, and what does it mean? a. the stop is 24 because that is the amount of water at the beginning
b. the slope is -24 because that is the amount of water at the beginning
c. the slope is 3 because the depth of the water is increasing 3 inches per hour
d. the slope is -3 because the depth of water is decreasing 3 inches per hour

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

Ascientist wants to use a model to present the results of his detailed scientific investigation. why would a model be useful? a )because the model makes the concepts easier to understand b) because the model is easy to put together and to use c) because the model prevents other scientists from asking questions d) because the model requires the audience to pay full attention to it i don't know what to choose because between a and d a is much more likely than d because it only wants to get the attention of the audience. i'm confuse.

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