Question

ARARASWA 1. Dumine the class b) 10 with d) 12 e) 100 2. Find the relative frequency a) 25/100 b) 53 for the second class ) 15 d) 40/100 ) 40 3. Find the class mark/midpoint for the third class a) 67/100 b) 37/100 c) 67 d) 60-72 e) 10 4. What is the percentage of the students who gets less than 85.5 point? a) 79 b) 10/100 c) 90 d) 73-85 The hours of the 8 students spent for STAT110 course are given below. Answer Questions 5-7 by using the following data. Hours 18 23 9 2915202315 5. What is the interquartile range in the data set? a)19.0 b) 15.0 c)23.0 d)8.0 e) None 6. What is the standard deviation (s) of this data set? a)6.16 b)33.25 c)5.77 d)38.00 e) None 7. What is the value of coefficient of variation? a)30.37% b)32.42% c)3.29% d)3.08% e) None 8. If the correlation coefficient of two continuous variables is -0.9, which one is correct? a) There is a weak negative linear relationship between two continous variables. b) There is a moderate positive linear relationship between two continous variables. c) There is a strong negative linear relationship between two continous variables. d) There is a strong positive linear relationship between two continous variables. e) There is no linear relationship between two continuous variables