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Unformatted text preview: STAT511 Practice Problems Spring 10 Multiple Choice: 1. Which one of the following is correct? A Histogram is a visual display of a sample data set. B Stemandleaf display can show us the mean of the sample data set. C Boxplot does not show any quartile of the sample data set. D Sample mean is the only measure of the center of the sample data set. 2. Which of the following is not a measure of location? A Range B Trimmed mean C Median D Mean 3. Draw 4 cards without replacement from a deck of 52 cards, what is the probability that they are all hearts? A ( 13 4 ) ( 52 4 ) B ( 13 4 ) ( 52 4 ) ( 39 4 ) C ( 13 4 )( 4 1 ) ( 52 4 ) D ( 1 4 ) 4 4. A deck of 52 cards, take 4 out one by one with replacement. What is the probability that there are 3 hearts? A ( 13 3 ) ( 52 4 ) B ( 13 3 )( 39 1 ) ( 52 4 ) C ( 4 3 ) ( 1 4 ) 3 ( 3 4 ) D None of the above. 5. Two events A,B . A occurs with probability 0 . 6, B occurs with probability 0 . 4. Probability of at least one of A , B occur is 0 . 7. Now given B has occurred, what is the probability that A occurs?...
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This note was uploaded on 04/23/2011 for the course STAT 503 taught by Professor Staff during the Spring '08 term at Purdue UniversityWest Lafayette.
 Spring '08
 Staff

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