i. The sum of the deviations from the mean for the set of numbers 4, 9 and 5 will equal zero.

ii. If there is an even number of ungrouped values, the median is found by arranging them from low to high and then determining the arithmetic mean of the two middle values.

iii. For salaries of $102,000, $98,000, $35,000, $106,000 and $101,000, the arithmetic mean would be an appropriate average.

Question 27 options: