TMA3/STT102 – Introductory Statistics

TMA Quiz Questions
Matric Number:  SCORE=10.00
STT102 – Introductory Statistics
Mr. Olorunnishola Toyin ( )
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.
2 Seven Matrons assembled for a meeting, shake hands with one another. How many handshakes take placeÂ…Â…Â…Â…Â…Â….?
3 What is the evaluation of 5! ?
4 If four coins are flipped in succession, then the number of possible outcomes isÂ…Â…Â…Â…Â….
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.
6 Parameter is a descriptive measurement obtained from a wholeÂ…Â…Â…Â…Â…Â…
7 The grade of student on six examinations were 84, 91, 72, 68, 87, and 78. What is the arithmetic mean of the grades?
8 The scores of 5 students in an examination are: 6, 5, 8, 7 and 4. Find the variance.
9 The scientific method for collection, summarization, presentation, analysis and interpretation of data is called
10 A …………. is the total collection of all the possible outcomes of an experiment
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