The Affordable Care Act created a market place for individuals to purchase health care plans. In 2014, the premiums for a random sample of 30 twenty-seven year olds who signed up for the bronze level health insurance are given in the table below ('Health insurance marketplace,' 2013). Create a frequency distribution and a relative frequency distribution using 5 classes. 162
192
196
176
254
141
170
165
190
114
170
151
189
156
203
139
219
204
185
177
121
119
125
153
185
166
139
181
286
186
a) Since data were collected for
1
Correct
quantitatve
Correct variable(s), the correct graph to make is a
histogram
Correct .

b) Using the formula class width = (maxX - minX)/(number of classes) and rounding up to the next whole number, the class width is

Complete the frequency/relative frequency table using 5 classes.

Round relative frequencies to 3 decimal places.