Question

1. The mode is always one of the number in a data.
2. The mean is one of the number in a data.
3. The data 6, 4, 3, 8, 9, 12, 13,9 has mean 9.
4. 10% of 150 =15
5. Subtraction of 2 from y = y-z.​

Answer 1

1. True

; because mode shows the observation appearing for most number of times. The mean is one of the numbers in a data.

2.False

; because mean is calculated after adding all the data and dividing the sum with total number of observations. The median is always one of the numbers in a data.

3.False

6+4+3+8+9+12+13+9/8=

64/8=8

mean =8

4.True

10%of150=15

5.True

If, z=2

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