| 1 The mean and the range of the sets of numbers 1.20, 1.00, 0.90, 1.40, 0.80, 0.80, 1.20 and 1.10 are m and r respectively. Find m + r. |
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| 2 Seven Matrons assembled for a meeting, shake hands with one another. How many handshakes take placeÂ…Â…Â…Â…Â…Â….? |
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| 3 What is the evaluation of 5! ? |
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| 4 If four coins are flipped in succession, then the number of possible outcomes isÂ…Â…Â…Â…Â…. |
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| 5 The probabilities of a boy passing English and Mathematics tests are a and b respectively. Find the probability of the boy failing both tests. |
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| 6 Parameter is a descriptive measurement obtained from a wholeÂ…Â…Â…Â…Â…Â… |
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| 7 The grade of student on six examinations were 84, 91, 72, 68, 87, and 78. What is the arithmetic mean of the grades? |
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| 8 The scores of 5 students in an examination are: 6, 5, 8, 7 and 4. Find the variance. |
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| 9 The scientific method for collection, summarization, presentation, analysis and interpretation of data is called |
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| 10 A ............. is the total collection of all the possible outcomes of an experiment |
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