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a SELF 2.16 The file Utility contains the following data about the cost of electricity (in $) during July 2015 for a random sample of 50 one-bedroom apartments in a large city. TEST 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 a percentage distribu- tion that have class intervals with the upper class boundaries $99, $119, and so on. b. Construct a cumulative percentage distribution. c. Around what amount does the monthly electricity cost seem to be concentrated?

a SELF 2.16 The file Utility contains the following data about the cost of electricity (in $) during July 2015 for a random sample of 50 one-bedroom apartments in a large city. TEST 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 a percentage distribu- tion that have class intervals with the upper class boundaries $99, $119, and so on. b. Construct a cumulative percentage distribution. c. Around what amount does the monthly electricity cost seem to be concentrated?

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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For this question 2.16. The solution shows as attached. However, I followed excel steps and got same classes and bins but different frequencies. My instructor expects us to use PH STAT I believe. Is it because I didn’t run through PH STAT and instead used data analysis in excel? How do I use PH stat for this?
tion for these costs. c. Around which class grouping, if any, are the costs of attending a basketball game concentrated? Explain. (SELF 2.16 The file Utility contains the following data about the cost of electricity (in $) during July 2015 for a random sample of 50 one-bedroom apartments in a large city. TEST 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 a percentage distribu- tion that have class intervals with the upper class boundaries $99, $119, and so on. b. Construct a cumulative percentage distribution. c. Around what amount does the monthly electricity cost seem to be concentrated?
Transcribed Image Text:tion for these costs. c. Around which class grouping, if any, are the costs of attending a basketball game concentrated? Explain. (SELF 2.16 The file Utility contains the following data about the cost of electricity (in $) during July 2015 for a random sample of 50 one-bedroom apartments in a large city. TEST 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 a percentage distribu- tion that have class intervals with the upper class boundaries $99, $119, and so on. b. Construct a cumulative percentage distribution. c. Around what amount does the monthly electricity cost seem to be concentrated?
Solutions to End-of-Section and Cha Electricity Costs $80 to $99 $100 to $119 $120 to $139 $140 to $159 $160 to $179 $180 to $199 $200 to $219 Frequency Percentage 8% 4 14 6. 13 18 26 18 10 Electricity Costs Frequency Percentage Cumulative % 8% $99 4 8% $119 7. 14% 22% $139 9. 18% 40% 66% S159 13 26% S179 6. 18% 84% $199 10% 94% $219 6% 100% The majority of utility charges are clustered between S120 and S1 1), (b) Annual Time Sitting in Traffic (hours) Bin Cell Frequency Percentage Cumu 15 but less than 20 3.23% 20 but less than 25 4. 12.90% 12.90% 25 but less than 30 4. 30 but less than 35 6.45% amanm
Transcribed Image Text:Solutions to End-of-Section and Cha Electricity Costs $80 to $99 $100 to $119 $120 to $139 $140 to $159 $160 to $179 $180 to $199 $200 to $219 Frequency Percentage 8% 4 14 6. 13 18 26 18 10 Electricity Costs Frequency Percentage Cumulative % 8% $99 4 8% $119 7. 14% 22% $139 9. 18% 40% 66% S159 13 26% S179 6. 18% 84% $199 10% 94% $219 6% 100% The majority of utility charges are clustered between S120 and S1 1), (b) Annual Time Sitting in Traffic (hours) Bin Cell Frequency Percentage Cumu 15 but less than 20 3.23% 20 but less than 25 4. 12.90% 12.90% 25 but less than 30 4. 30 but less than 35 6.45% amanm
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