STAT 200 1. What is the BEST measure of the central tendency for the following set of numbers: 18, 34, 56, 67, 875 a. b. c. d. e. 2. Which of the following is/are measure(s) of variability? (select all that apply) a. b. c. d. e. 3. mean range mode variance linear transformation For a set of numbers, if the mean is equal to the median, its distribution might be: a. b. c. d. 4. Mean Median Mode Standard Deviation None of above Right-skewed Left-skewed Normally distributed Positively-skewed In the graph, there are two distrubitions and we can tell (check all that apply): a. b. c. d. The The The The mean of distribution A> the mean of distribution B mean of distribution A < the mean of distribution B standard deviation of distribution A> the std deviation of distribution B standard deviation of distribution A= the st deviation of distribution B 5. Which of the following can measure variability? (Select all that apply) a. b. c. d. e. f. mean median range variance standard deviation Interquartile range 6. A researcher collected BMI (Body Mass Index) of 50 students in an Engineering school. He found the mean BMI was much smaller than the median BMI. The reason for this might be: a. Several students had much smaller BMI scores than the other students 1 b. c. d. Several students had much larger BMI scores than the rest The researcher made some measurement errors All the students had smaller BMI scores, compared to national average 7. There are 20 coupons rolled up and placed inside round plastic balls in a box. There are 3 different types of coupons: 10 of them can be redeemed for \"free drinks\