Further Mathematics Paper 2, WASSCE (SC), 2019

Question 13

 

In a research to determine the relationship between performance of students in an entrance examination and subsequent school performance, the results of ten randomly selected students were obtained as follows:

Students A B C D E F G H I J
Performance in Entrance Examination 11 12 8 13 6 15 10 14 17 16
School Performance 5 10 9 7 4 8 6 14 11 12
  1. Calculate the spearman’s rank correlation coefficient.
  2. What would be the researcher’s from the result in 13(a)?

Observation