# Question

Construct a set of numbers (with at least three points) with a strong positive correlation. Then add one point (an influential point) that changes the correlation to negative. Report the data and give the correlation of each set.

## Answer to relevant Questions

The figure shows a scatterplot of the educational level of twins. Describe the scatterplot. Explain the trend and mention any unusual points. (Source: www.stat.ucla.edu) A famous study by Amos Tversky and Nobel laureate Daniel Kahneman asked people to consider two hospitals. Hospital A is small and has 15 babies born per day. Hospital B has 45 babies born each day. Over one year, each ...Refer to the table given in Exercise 5.109. a. If one person is chosen randomly from the group of 1858 people, what is the probability that the person is conservative? b. If one person is chosen randomly from the group of ...Refer to the table for Exercise 5.109. a. Find the probability that a randomly chosen respondent is conservative given that she or he is a Republican. b. Find the probability that a randomly chosen respondent is a Republican ...Cards If one card is selected from a well-shuffled deck of 52 cards, what is the probability that the card will be a club OR a diamond OR a heart? What is the probability of the complement of this event?Post your question

0