Check all of the statements that are true. (9 points) Responses The line of best fit must show the middle score of the data as being on the line. The line of best fit must show the middle score of the data as being on the line. There is no correlation between happiness and income. There is no correlation between happiness and income. The line of best fit should include the lowest and highest scores. The line of best fit should include the lowest and highest scores. The slope of the line of best fit could be around m = -1/2000. The slope of the line of best fit could be around m = -1/2000. The line of best fit would have a positive slope representing as income goes up, happiness goes up. The line of best fit would have a positive slope representing as income goes up, happiness goes up. The y-intercept of the line of best fit would show a happiness score of around 40 when there is $0 income. The y-intercept of the line of best fit would show a happiness score of around 40 when there is $0 income. This is a moderate positive correlation. This is a moderate positive correlation. As a person's income goes up, their happiness trends down.

- The line of best fit must show the middle score of the data as being on the line. (True)

- There is no correlation between happiness and income. (False)
- The line of best fit should include the lowest and highest scores. (True)
- The slope of the line of best fit could be around m = -1/2000. (True)
- The line of best fit would have a positive slope representing as income goes up, happiness goes up. (False)
- The y-intercept of the line of best fit would show a happiness score of around 40 when there is $0 income. (True)
- This is a moderate positive correlation. (False)
- As a person's income goes up, their happiness trends down. (False)

So, the true statements are:
1) The line of best fit must show the middle score of the data as being on the line.
2) The line of best fit should include the lowest and highest scores.
3) The slope of the line of best fit could be around m = -1/2000.
4) The y-intercept of the line of best fit would show a happiness score of around 40 when there is $0 income.