Question

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Q2. The scores of ll students in mathematics test (out of 25) are as follows:-
19, 25, 23, 20.9. 20. 15. 10. 24, 20, 24
a) Find the mean and mode of this data,
b) How many students scored above the mean marks?​

Answer 1

Answer:

Step-by-step explanation:

Let's know the meaning of the terms "Mode" and "Median"

Mode = The no. which is occurring most frequently in a set of numbers is called Mode

Median = Median refers to the value which lie in the middle of the set of numbers (When arranged in ascending or descending order).

Now Coming to the question :-

First we will find the mode of the data :- 19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20

20 have occurred 4 times ∴

The most frequently occurring value =  20                                                                     Therefore the mode of the given set of data is 20

Now Median;

Numbers arranged in ascending order  = 5, 9, 10, 12, 15, 16, 19, 20, 20, 20, 20, 23, 24, 25, 25

So the middle value here is 20.

Median and Mode both are same.

Answer 2

i hope this helps !!!!!!!!!!!!!