1,2,3,4

The heights 1n inches of commonly grown herbs are shown below. Organize the data into a frequency distribution with six classes, and think of a way in which theseI results would be useful. 16 241214 26121513 2125 28 2219 28181616 21916 Construct a frequency polygon and histogram for the data. ' Construct stem-and-leaf and 10th diagrams. According to the American Manufacturer's Association, very few shoppers actually use manufacturer's cents-off coupons. The total value of coupons redeemed by 12 _ people observed shopping at a local supermarket was as follows: - 40c 65c $1.05 450 25c 650 350 300 30c 70c 85c 450 Calculate the mean, median, and modal redemption value of the coupons. Which is more useful to a manufacturer? As an incentive to attract additional customers, one Caribbean hotel recently installed a toll-free 800 phone number. During the rst three weeks of its operation, the hotel received the following number of requests for additional information on a daily basis: 24 26 29 29 27 30 25 28 18 31 27 21 22 20 20 22 32 28 22 20 29 ' Find the lower quartile for the data. ' Find the upper quartile for the data. Find the interquartile range. ' Draw the box-andwhisker diagram for the data. The IQ of 50 students in the fth grade of a special school was measured. The results are as follows: I score Frequency 71 - 79 2 80 - 88 8 89 97 10 98 106 12 107 - 115 6 116 -124 8 125 - 133 4 Compute the sample variance and sample standard deviation