9. Which of the box plots on the graph has a large positive skew and why? Which has a large negative skew and why?
8. You know the minimum, the maximum, and the 25th, 50th, and 75th percentiles of a distribution. Which of the following measures of central tendency or variability can you determine?
mean, median, mode, trimean, geometric mean,
range, interquartile range, variance, standard deviation
80. If the data were collected by asking the first 111 people who entered the store, then the type of sampling is:
b. simple random