# Statistical Data Representation.

• Jan 13th 2009, 11:40 PM
ifti_cs
Statistical Data Representation.
Q#01: For the data given below 2,4,5,6,12,19,21,10,2 Calculate Lower quartile and median.

Q#02: Calculate coefficient of range for the data in 37,80,82,41,49,60,38,61,64,29.

Q#03: A box contain 15 pencils of same shape and size, but with different colors, 3 of them are of black, 6 white, 2 red and 4 yellow. Two pencils are drawn at random.
Find the probability that: they are
(i) black or white
(ii) One red and other black
• Jan 14th 2009, 12:07 AM
mr fantastic
Quote:

Originally Posted by ifti_cs
Q#01: For the data given below 2,4,5,6,12,19,21,10,2 Calculate Lower quartile and median.

Q#02: Calculate coefficient of range for the data in 37,80,82,41,49,60,38,61,64,29.

Mr F asks: Where are you stuck? In each case you should order the data and then apply the definitions.

Q#03: A box contain 15 pencils of same shape and size, but with different colors, 3 of them are of black, 6 white, 2 red and 4 yellow. Two pencils are drawn at random.
Find the probability that: they are
(i) black or white
(ii) One red and other black

Mr F says: Have you tried drawing a tree diagram?

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