TMA2/STT102

My TMA Home TMA Results My Pending TMA Quick Help TMA Quiz Questions TMA: TMA2/STT102 Matric Number:  SCORE=10.00 STT102 - Introductory Statistics Mr. Olorunnishola Toyin (Tolorunishola@noun.edu.ng ) 1 Find the median of the numbers 89, 141, 130, 161, 120, 131, 131, 100, 108, and 119. 148 125 136 124 2 In how many ways can a committee of 5 people be chosen out of 9 poeple? 254 126 120 131 3 Find the probabolity that a number selected at random from 40 to 50 is a prime. 19$$\frac{1}{9}$$ 17$$\frac{1}{7}$$ 311$$\frac{\mathrm{}}{\mathrm{}}$$ 114$$\frac{\mathrm{}}{\mathrm{}}$$ 4 A man kept 6 black, 5 brown and 7 purple shirts in a drawer. What is the probability of his picking in purple shirt with his eyes closed ? 711$$\frac{\mathrm{}}{\mathrm{}}$$ 718$$\frac{\mathrm{}}{\mathrm{}}$$ 511$$\frac{\mathrm{}}{\mathrm{}}$$ 311$$\frac{\mathrm{}}{\mathrm{}}$$ 5 In how many ways can the word "HOSPITAL" be arranged? 45040 120 924 40320 6 In how many ways can the word "TOPO" be arranged 12 ways 15 ways 18 ways 21 ways 7 The following are graphical presentations except chart none of the above pictogram bar chart 8 The difference between Largest and Lowest values on a set of observation is called range median mean mode 9 Find the mean deviation of the distribution 12,6,7,3,15,10,18,5 4.25 2.97 4.05 4.38 10 Find the standard deviation of the distribution 12,6,7,3,15,10,18,5 4.87 4.97 2.21 5.81