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In: Statistics and Probability

2) A utility date presented here under contained a cost pf electricity (in $) during July...

2) A utility date presented here under contained a cost pf electricity (in $) during July 2014 for a random sample of 50 one-bedroom apartments in large city. 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

a) Construct a frequency distribution and percentage distribution that have class intervals with upper class boundaries $99, $199 and so on.

b) Construct a cumulative percentage distribution. c) Around what amount does the monthly electricity cost seem to be concentrated?

d) Draw a histogram e) Make a conclusion remark.

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Expert Solution

orchestra answered 2 years ago
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