Question

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Answer 1

Step-by-step explanation:

first adding all this number next divide by 20

Answer 2

Answer:

Mean = 5.  Range = 8.  Median = 5. Mode = 5.

Step-by-step explanation:

Mean = Sum of all elements / Number of elements

Mean = 4+6+7+5+3+5+4+5+2+6+2+5+1+9+6+5+8+4+6+7 / 20

Mean = 100 / 20

∴ Mean = 5.

Range = Difference between highest and lowest element.

Range = 9 - 1

∴ Range = 8.

Median = Middle number after the ascending order arrangement of all the elements.

Ascending Order = 1, 2, 2, 3, 4, 4, 4, 5, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 8, 9

∴ Median (Middle Number) = 5.

Mode = Element with maximum number of repetition.

In our example, 5 is often repeated.

∴ Mode = 5.