Answer to Question #337636 in Statistics and Probability for shimmy

Question

For numbers 11-15, refer to the given table.

Distance (km) Travelled from Home to School of Students

18-20

15-17

12-14

9-11

6-8

3-5

0-2 

Frequency (f)

1

2

3

5

8

17

4

Lower boundaries

17.5

14.5

11.5

8.5

5.5

2.5

0.5 

Less Than Cumulative Frequency (< 𝑐𝑓)

40

39

37

34

29

21

4

11. What is the lower boundary in solving for the 45th percentile of the distance travelled from home to school of the students?

M. 2.5 A. 5.5 T. 8.5 H. 11.5 

12. What is the 45th percentile of the distance travelled from home to school of the students?

M. 4.79 A. 4.97 T. 7.94 H. 9.47

13. What cumulative frequency should be used in solving for the 7th decile?

M. 34 A. 29 T. 21 H. 4

14. Find the value of D7.

M.8.13 A. 7.13 T. 3.18 H. 1.38

15.What is the value of Q1?

M. 2.63 A. 3.56 T. 5.36 H. 6.35

Answer 1

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