KP390 Lecture Notes - Lecture 3: Frequency Distribution, Central Tendency, Standard Deviation
Document Summary
Ex: the boson marathon has 2 categories of o cial nishers: male and female. * one with greatest percent is the mode because it came up more often. * cumulative percent is the added percents all together to say ex: 60% of the class got above a 80% on the test. * this is why you should order the numbers so that the test scores are increasing. * to nd mean you could do score x frequency add them all up then divide by 24. Which measures would you use if you wanted to discuss performance on the next class quiz. Calculate the mean, median, and mode for the following data. Grades on test out of 10 for 24 students. 1, 2 (by hand), 5, 6, 8. Central tendency only deals with the centre. Dependent variable is the time to run a straight alley maze after 4 weeks.
