. In a simple linear regression analysis, the standard error of the slope is a. A measure of the amount of change in the dependent variable y for a one unit change in the independent variable x b. A measure of the variation in the regression slope from sample to sample c. The square root of the standard error of the estimate d. All of the above

Consider the set of all four-digit positive integers less than 2000 whose digits have a sum of 24. what is the median of this set of integers?

8. kelly wants to buy a magazine that is $25. later the magazine was marked up an additional 20%. what is the new price?

Given a normal distribution with µ =50 and σ =4, what is the probability that 5% of the values are less than what x values? between what two x values (symmetrically distributed around the mean) are 95 % of the values? instructions: show all your work as to how you have reached your answer. don’t simply state the results. show graphs where necessary.