A university asks students to indicate thier level of satisfaction with thier education (from low to high) . They find the large majority of students are very statified with thier education, with relatively few students either very unsatidfied or satisfied. Which of these best describes this distribution? 1. positive skewed 2. negative skewed  3. normal distribution

A sample of scores has a mean of M = 20, a median of 28, and a mode of 29. What is the most likely shape for the sample distribution? symmetrical positively skewed negatively skewed cannot be determined from the information given

University students who drink alcohol, usually consume about 6 drinks per week. Given that about 60% of students drink alcohol, what would you predict to be the shape of the distribution of the number of cups drunk for university students (which include those who drink alcohol and those who don't)? Select one: O a. negatively skewed with scores bunched at 6 drinks per week b. normal distribution with one peak at 6 drinks a week leptokurtic with scores bunching around 6 drinks a week O d. positively skewed with scores bunched at 3 drinks a week. O e. bimodal distribution with one peak at zero and another peak at about 6 drinks per week O C.

A researcher believes that the mean earnings of top-paid actors, athletes and musicians are the same. The earnings (in millions of dollars) for several randomly selected people from each category are shown in the table below. It has been confirmed that the population variance for each group is equal and that earnings follow a normal distribution for top-pain actors, athletes and musicians. Use a 5% significance to test the claim. Job Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Actor Athlete Athlete Athlete Athlete Athlete Athlete Athlete Athlete Athlete Athlete Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Musician Earnings 31 34 33 26 21 33 30 36 27 27 34 37 36 23 30 39 46 41 36 50 30 44 43 44 46 54 65 30 39 52 37 41 45 60 60 31 49 45 45 What is the factor variable? Top-Paid Job Type What is the response variable? Earnings Test Statistic: 15.2043 X P-Value: 0.0000✓ O…