Graded Assignment #1. Name: ________________________

1. The article "Comparing Costs of Major Hotel Franchises" gave the accompanying data on a measure of franchise value for Budget hotel chains and First class hotel chains.

a. What measure(s) of center and spread would you use to analyze these sets of data?

Why?

b. Construct two box and whisker plots with the Budget hotel boxplot on top and the First class hotel boxplot on the bottom. Use the number line below. Be sure to label your plots.

c. With reference to your box plots, what are the similarities for the different types of hotels? d. What are the differences?

Budget 2.7 2.8 3.8 4.0 4.1 5.5 5.9 6.7 7.0 7.2 7.2 7.5 7.5 7.7 7.9 7.9 8.1 8.2

First class 1.8 5.8 6.0 6.6 6.6 6.6 7.1 7.2 7.5 7.6 7.6 7.8 7.8 8.2 9.6

2. The data below represents the IQ scores of a group of children using the Simon-Binet intelligence scale.

61 75 77 80 80 81 84 85 86 90 90 91 92 93 94 96 96 97 98 99 100 100 101 102 102 103 103 105 106 107 107 108 109 109 109 110 110 111 112 113 113 114 114 114 117 118 119 120 121 121 121 123 124 126 129 130 136 146 152

a. Which measures of center and spread would you use to describe this data? Why?

b. How would you assess an IQ score of 88? Why?

c. How would you assess an IQ score of 160? Why?