Answer Happy

Question 16 1 pts Carol is studying the aggresive behavior in children and how often they watch TV shows about helping others. She calculated that r= -2.9. Which of the following would be most accurate. none of the above. the relationship is negative. the relationship is weak and negative. the relationship is strong and negative.

Question 18 1 pts The variable crime increases at the same rate the variable number of churches increases for the top 10 towns in a given area in New York. Which of the following conclusions would be most accurate based on your understanding of pearson correlation. Towns with more churches tend to experience more crime Increasing the number of churches in an area will increase the amount of crime in that area. Decreasing the number of churches in an area will decrease the crime in that area. All of the above.

Question 19 1 pts Vanessa wants to present her findings and wants to reduce the error rate in her estimate, therefore which confidence interval level would you recommend that she use? They all include an error rate, therefore it does not matter. 95% 68% 99.7%