test1_2003 - Test 1 October 17 2003 5:15 -6:15 Name .(...

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Test 1 October 17 2003 5:15 -6:15 Name . ..................................................................................... ( written in the order as on your student card with no commas). Assignment box due Day. ..................... Time. ........... alpha/beta. ...................... A half sheet of green paper and a calculator with no more than two lines of display are the only items allowed to be used for this test. Answers should be correct to 3 significant digits throughout. Write final answers on dotted lines .......................................................................................................................................... [3] 1. The number of leaves that have changed to fall colour on five trees is 57 62 78 42 81 a. The median number of leaves is . ....................... b. The mean number of leaves is . ........................ c. The standard deviation of the number of leaves is . ..................... ( use your calculator key no method required.) [4] 2 . Two pyramid shaped dice, each with 4 sides are tossed and the minimum of the two results taken as the score. The histogram gives the results of a sample of 150 such tosses. a. The class width is . .......... b. The mode is . ............ c. The relative frequency of a score of 3 or greater is. ............. d. The mean score is . ................. [10] 3. The probability a student in math 1P98 has the $12 suggested calculator from the bookstore is 0.72. Consider 11 students who come in for help.
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This note was uploaded on 11/04/2011 for the course MATH Math 1P98 taught by Professor D.miners during the Fall '11 term at Brock University, Canada.

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test1_2003 - Test 1 October 17 2003 5:15 -6:15 Name .(...

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