Use the following to answer questions the question below: Refer to the following distribution of commissions; Monthly commissions Class Frequencies $ 600 up to $800 800 up to 1,000 1,000 up to 1,200 1.200 up to 1,400 1,400 up to 1,600 1.600 up to 1,800 DONE 1,800 up to 2,000 2,000 up to 2,200 18. What is the relative frequency for those salespersons that earn between $1.200 and approximately $1,400? A) 2% B) 2.4% C) 18% D) 24% E) 82%20. What is the median of 26, 30, 24, 32. 32, 31, 27. 32 and 29? A) 32 29 30 D) 29.5 21. Which measure of central location is found by arranging the data from smallest to largest and selecting the middle value? A) Arithmetic mean B) Median C) Mode D) Geometric mean E) Standard deviation