You are a researcher interested in the relationship between alcohol consumption and grade-point average (GPA). You set out to conduct a hypothesis test. You draw a random sample of 12 college juniors and ask them, "on average, how many drinks do you have per week?" You also record the students current GPA. Calculate Pearson's r to determine if there is a relationship (Show all of your work). Indicate what you are doing at each step (i. e. Step Two: Pearson's Correlation)

Agraph of a trapezoid can have diagonals with slopes that are negative reciprocals and two pairs of adjacent sides that are congruent, true or false, and why

You were told that the amount of time lapsed between consecutive trades on the new york stock exchange followed a normal distribution with a mean of 15 seconds. you were also told that the probability that the time lapsed between two consecutive trades to fall between 16 to 17 seconds was 13%. the probability that the time lapsed between two consecutive trades would fall below 13 seconds was 7%. what is the probability that the time lapsed between two consecutive trades will be between 14 and 15 seconds?

Which of the following graphs could represent a cubic function?