Question

. What will be the lower limit of modal class?

64
57
85
77
2. Find the sum of lower limit of modal class and upper limit of median class.

128
134
140
141
3.How many students got qualified status, if qualify grade is C?

30
40
10
160
4. If a student's score is at the 82th percentile, this means that 82% of those taking the test score lower than the student, then find the number of such students.

40
81
164
82
5. Construction of cumulative frequency table is useful in determining the:

Mode
Median
Mean
All of these
6. The median of the given data is

64
67
67.5
None of these
7. The mode of the given data is;

67
67.5
67.26
None of these
What is the empirical relationship between mean median and mode

Mode=3Median-2Mean
Mean=3Mode-2Median
Mode=Mean-Median
None of these​

Answer 1

Answer:

013

In A ABC

AD L 809

Я

Вс ФB = 3PC)

polove that 2 02 = 2CAc2 + Вс 9.

В