# Question: a What two assumptions must you make about the data

(a) What two assumptions must you make about the data in order for the standard error of the estimate to be accurate, and what does each mean?

(b) How does heteroscedasticity lead to an inaccurate description of the data?

(b) How does heteroscedasticity lead to an inaccurate description of the data?

**View Solution:**## Answer to relevant Questions

How is the value of SY, related to the size of r? Why? In a population, µ = 100 and σx = 25. A sample (N = 150) has X = 102. Using two tails of the sampling distribution and the .05 criterion: (a) What is the critical value? (b) Is this sample in the region of rejection? How ...In a study you obtain the following data representing the aggressive tendencies of some football players: 40 30 39 40 41 39 31 28 33 (a) Researchers have found that in the population of non-football players, µ is 30 (σx = ...When testing the representativeness of a sample mean, (a) What is the criterion probability? (b) What is the region of rejection? (c) What is the critical value? (a) In question 14, what is the probability that we made a Type I error? What would be the error in terms of the independent and dependent variables? (b) What is the probability that we made a Type II error? What would be ...Post your question