### `Q 21. The measures of dispersion can never be:`

(A) Positive
(B) Negative
(C) Zero
(D) equal to 2

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### `Q 22. The smaller the variance the less spread of the data around the mean`

(A) True
(B) False
(C) none
(D) all

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### `Q 23. The measurements of spread or scatter of the individual values around the central point is called:`

(A) Measures of dispersion
(B) Measures of skewness
(C) Measures of central tendency
(D) Measures of kurtosis

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### `Q 24. What is the value of the first quartile for observations 15, 18, 10, 20, 23, 28, 12, 16?`

(A) 17
(B) 16
(C) 12.75
(D) 12

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### `Q 25. The suitable average for averaging the shoe sizes for children is:`

(A) Mean
(B) Median
(C) Mode
(D) Geometric mean

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### `Q 26. Find the mean of 13,18,13,14,13,16,14,21,13`

(A) 11
(B) 12
(C) 15
(D) 4

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### `Q 27. A measure of is a single value that attempts to describe a set of data by identifying the central position within that set of`

(A) Central Tendency
(B) Mean
(C) Median
(D) 13

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### `Q 28. What are the method of collecting Primary Data`

(A) Interview
(B) observation
(C) Questionnair
(D) Mode

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### `Q 29. is data that is collected by a researcher from first-hand sources`

(A) Primary data
(B) Secondary data
(C) both
(D) All of the above

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### `Q 30. How many type of data are there in Statistics`

(A) 2
(B) 3
(C) 4
(D) none

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