1.2
The following set of numbers show marks obtained by 12 Mathematical Literacy learners.
A represents the lowest mark.
80; 77;
73.
68; A; 55; 59; 65; 54; 75; 64; B;
1.2.1 If the range for the marks is 30 determine the value of A.
1.2.2 Given the mean for the data is 63, determine the value of B.
1.2.3 Arrange the data in ascending order and determine the median.
1.2.4 Determine the upper quartile.