Exercises on Data analysis

Please select the appropriate answer for all 5 questions and then click the submit exam for grading button at the end of the page.

Question 1. What is the mean for the values 12, 31, 26, 56, 75 ?
(a) 200
(b) 1000
(c) 40
(d) 195
Question 2. What is the mode for the the values 3, 7, 4, 3, 7, 8, 3 ?
(a) 3
(b) 4
(c) 5
(d) 7
Question 3. What is the range for the values 29, 45, 3, 18, 79, 29
(a) 29
(b) 3
(c) 79
(d) 76
Question 4. What is the variance for the values 5, 20, 10, 25, 15 ?
(a) 75
(b) 50
(c) 15
(d) 20
Question 5. What is the standard deviation for the values in given in the 4th question?
(a) 7.07
(b) 15
(c) 50
(d) 20

 
                        
 Homepage    Subway    Data naalysis   Back  
              map       beginning