Mathematics Grade 12 Unit 3 Review Exercise Part 2‪@mathT_21‬​

Mathematics Grade 12 Unit 3 Review Exercise Part 2‪@mathT_21‬​

Part- 1 =    • Mathematics Grade 12 Unit 3 Review Exercis...   Part- 2 =    • Mathematics Grade 12 Unit 3 Review Exercis...   Part- 3 =    • Mathematics Grade 12 Unit 3 Review Exercis...   Mathematics Grade 12 Unit 3 Review Exercise Part 2 Grade 12 Mathematics Unit 3 Review Exercise Part 2 Math Grade 12 Unit 3 Review Exercise Part 2 Grade 12 Math Unit 3 Review Exercise Part 2 Math's Grade 12 Unit three Review Exercise Part 2 Grade 12 Math's Unit three Review Exercise Part 2 Mathematics Grade twelve Unit three Review Exercise Part 2 Grade twelve Mathematics Unit three Review Exercise Part 2 Math's Grade twelve Unit three Review Exercise Part 2 Grade twelve Math's Unit three Review Exercise Part 2 Mathematics Grade 12 Unit three Review Exercise Part 2 Grade 12 Mathematics Unit 3 Review Exercise Part 2 Mathematics Grade 12 unit 3 Review Exercise Part 2 Math's Grade twelve Unit 3 Review Exercise Part 2 Grade twelve Math's Unit 3 Review Exercise Part 2 Math's Grade twelve Chapter three Review Exercise Part 2 Grade twelve Math's Chapter three Review Exercise Part 2 Math's Grade 12 Chapter three Review Exercise Part 2 Grade 12 Math's Chapter three Review Exercise Part 2 Math's Grade twelve three Review Exercise Part 2 Math's Grade 12 three Review Exercise Part 2 4:00 The mean and standard deviation of 15 observations are found to be 10 and 5, respectively. On rechecking it was found that one of the observations with the value 8 was incorrect. Calculate the mean and standard deviation if the value of the corrected observation was 21. 15:00 Suppose that each day laboratory technician A completes 40 analyses with standard deviation of 5. Technician B completes 160 analyses with standard deviation 15. Which employee shows less variation? 19:00 Find the range, mean, variance and standard deviation of the first n natural numbers. 36:30 A wall clock strikes the bell once at 1 o'clock, 2 at 2 o'clock and 3 at 3 o'clock and so on. How many times will it strike in a particular day? Find variance and standard deviation of the number of strikes the bell makes a day on the hour. 46:28 1500 visitors turned up to the city library during the first month of the academic year. They who borrowed 6750 books altogether. Find and interpret the coefficient of variation if the square of the sum of the borrowed books is 33315. #math, #newcurriculum ,#mathematics ,#exercise , #tutorial ,#example , #Girma21, #grade12, Exam, #example, #mathstricks , #mathematics2, #newtextbook Join this channel to get access to perks:    / @matht_21