Question 6
The mean of the numbers 1, 4, k, (k + 4) and 11 is (k + 1). Calculate the :
(a) value of k ;
(b) standard deviation.
Theory
Question details
- Exam body
- WAEC
- Subject
- Further Mathematics
- Year
- 2016
- Question no.
- #6
- Type
- Theory
The mean of the numbers 1, 4, k, (k + 4) and 11 is (k + 1). Calculate the :
(a) value of k ;
(b) standard deviation.