on 8 For the following set of lengths 130, 170, 160, 160, 150, 190 Third quartile is: et red d out of Select one: O a. 160 a question O b. 145 O c. 175 O d. 180 ion 7 When the correlation coefficient, r, is close to et one: ered ed out of Select one: O a. there is no relationship between the two ng question variables O b. the slope of the regression line will be close to one O c. there is a strong linear relationship between the two variables O d. it is impossible to tell if there is a relationship between the two variables Ton 6 A random sample of size 9 is taken from a normal distribution with population variance 36 and sample mean is 120, find a 95% confidence et ered ed out of interval for the mean of the distribution? g question Select one: O a. (118.08 , 123.92) O b. (116.08, 120.92) O c. (116.08 , 123.92) O d. (106.08, 113.92)