6. The following data represent the cost of electricity during July 2006 for a random sample...
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6. The following data represent the cost of electricity during July 2006 for a random sample of 50 one-bedroom apartments in a large city: Raw Data Utility Charges ($) 96 171 202 178 147 102 153 197 127 82 157 185 90 116 172 111 148 213 130 165 141 149 206 175 123 128 144 168 109 167 95 163 150 154 130 143 187 166 139 149 108 119 183 151 114 135 191 137 129 158 Form a frequency distribution and a percentage distribution that have class intervals with the upper class limits $99, $119, and so on. (Hint: It means that the first class can be expressed as $80 but less than $100, where $100 is not included in the first class but the second class.) b. Construct a histogram and a percentage polygon. c. Form a cumulative percentage distribution and plot a cumulative percentage polygon. d. Around what amount does the monthly electricity cost seem to be concentrated? а. 6. The following data represent the cost of electricity during July 2006 for a random sample of 50 one-bedroom apartments in a large city: Raw Data Utility Charges ($) 96 171 202 178 147 102 153 197 127 82 157 185 90 116 172 111 148 213 130 165 141 149 206 175 123 128 144 168 109 167 95 163 150 154 130 143 187 166 139 149 108 119 183 151 114 135 191 137 129 158 Form a frequency distribution and a percentage distribution that have class intervals with the upper class limits $99, $119, and so on. (Hint: It means that the first class can be expressed as $80 but less than $100, where $100 is not included in the first class but the second class.) b. Construct a histogram and a percentage polygon. c. Form a cumulative percentage distribution and plot a cumulative percentage polygon. d. Around what amount does the monthly electricity cost seem to be concentrated? а.
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a Frequency and Percentage Distribution table Class interval Frequency percentage Cumulative ... View the full answer
Related Book For
Statistics for Business and Economics
ISBN: 978-0132930192
8th edition
Authors: Paul Newbold, William Carlson, Betty Thorne
Posted Date:
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