Mathematics
The mean of 4, 5, 1, 3, 7, 4 is x. The numbers 2, 4, 3, 2, 3, y, 3 have mean x - 1 and median z. Then, y + z = ?
options
4
5
6
7
Related Questions
If the median of the data 4, 7, x - 1, x - 3, 16, 25, written in ascending order, is 13, then x is equal to :
13
14
15
16
If 25 is removed from the data 20, 24, 25, 26, 27, 28, 29, 30, then the median increases by:
0.5
1
1.5
2
Which measure of central tendency would be the most appropriate for a shoe dealer to determine the quantity of different sizes that he should order?
Mean
Median
Mode
Any of these
Which of the following cannot be determined graphically?
Mean
Median
Mode
None of these