Correct option is C
Given:
Mode = 28.4
Median = 88
Formula Used:
Mode = 2 × Mean - 3 × Median
can be written as;
Mean =
Solution:
Mean =
= 117.8
Thus, the mean of the data set is 117.8
The mode and median of a data set is 28.4 and 88, respectively. What is the mean of the data set? (Use empirical formula.)
Given:
Mode = 28.4
Median = 88
Formula Used:
Mode = 2 × Mean - 3 × Median
can be written as;
Mean =
Solution:
Mean =
= 117.8
Thus, the mean of the data set is 117.8
The mode and median of a data set is 28.4 and 88, respectively. What is the mean of the data set? (Use empirical formula.)
In a math test given to 14 students, marks out of 100 are recorded as 21, 38, 42, 56, 36, 48,29, 44, 22, 32, 63, 64, 72, 74. Find the arithmetic mean.
Find the mean marks of the following distribution.
Marks obtained | No. of students |
25 | 5 |
30 | 6 |
35 | 3 |
40 | 1 |
Find the mean height of persons from the following data.
Height (cm) | Number of persons |
120 | 3 |
130 | 4 |
140 | 5 |
150 | 6 |
160 | 2 |