Question

Find the mean of first whole numbers. The scores in mathematics test Cout 15 students is as follows 19, 35, 23, 20 15,10,5, 16, 25, anah in gorond the mo 20, 9H 25​

Answer 1

Step-by-step explanation:

The scores in mathematics test (out of 25) of 15 students is as follows:

19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20

Find the Mode and Median of this Data. Are they same?

ANSWER:

Arranging the given scores in an Ascending Order, we get

5, 9, 10, 12, 15, 16, 19, 20, 20, 20, 20, 23, 24, 25, 25

Mode,

Mode is the value of the variable which occurs most frequently.

Clearly, 20 occurs maximum number of times.

Hence, mode of the given Sores is 20

Median,

The value of the middle-most observation is called the Median of the data.

Here n = 15, which is odd.

Where, n is the number of the students.

∴median = value of ½ (n + 1)th observation.

Answer 2

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