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Consider the cellphone usage data in attached table. Test the claim that the average monthly expense on cellphone use of more than half of the female undergraduate students in UCLA is at least $500. Use α = 0.05. • State Ho and Ha. • Write the formula of the test statistic to be used. • State the decision rule at 0.05 level of significance. • Compute for the value of the test statistic.

Consider the cellphone usage data in attached table. Test the claim that the average monthly expense on cellphone use of more than half of the female undergraduate students in UCLA is at least $500. Use α = 0.05. • State Ho and Ha. • Write the formula of the test statistic to be used. • State the decision rule at 0.05 level of significance. • Compute for the value of the test statistic.

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Consider the cellphone usage data in attached table. Test the claim that the average monthly expense on cellphone use of more than half of the female undergraduate students in UCLA is at least $500. Use α = 0.05.


• State Ho and Ha.
• Write the formula of the test statistic to be used.
• State the decision rule at 0.05 level of significance.
• Compute for the value of the test statistic.
• Is there sufficient evidence at 0.05 level of significance to conclude that more than half of the female undergraduate students in UCLA have an average monthly expense of at least $500?

Cellphone Usage Data: Array of Average Monthly Expense Table C.2a. Table C.2a. (continued) Average Month Expense on Cellphone Use on Cellphone Use Among Females Average Monthly Expense on Cellphone Use Control Average Monthly Expense on Cellphone Use Control Number Average Monthly Expense on Cellphone Use Control Number Average Monthly Expense on Cellphone Use Control Number Control Number Control 200 Average Monthly Expense on Cellphone Use Number 201 Number 300 250 161 202 500 275 250 1 8000 162 203 41 121 500 250 4000 1000 163 204 250 42 81 122 500 250 3 2300 900 164 205 250 123 124 43 82 550 500 250 4 2000 900 165 44 83 500 500 250 5 2000 900 500 125 166 45 84 500 250 6. 2000 900 500 126 167 46 85 500 250 7 2000 900 500 127 168 47 86 500 250 8 2000 900 500 128 169 48 87 500 250 1800 900 500 129 170 49 88 400 250 10 1700 900 500 130 171 50 89 400 250 11 172 173 1500 900 500 131 51 90 400 250 12 1500 800 500 132 52 91 400 250 13 133 800 750 1500 500 400 174 53 92 134 250 14 500 175 1500 54 93 135 400 250 15 750 500 176 1400 300 94 95 55 136 250 16 750 500 177 1200 137 300 250 17 56 750 500 178 1200 96 138 300 250 18 57 750 500 179 1200 300 250 97 98 58 500 139 180 19 1200 750 140 300 250 59 500 181 700 20 21 300 225 66 100 1100 60 500 141 182 300 300 1100 700 142 200 61 500 183 22 1000 700 101 500 143 200 62 184 23 600 102 144 300 200 1000 63 500 300 185 200 24 1000 600 103 500 145 186 25 64 600 146 300 200 1000 104 500 187 26 65 600 147 300 200 1000 105 500 300 188 200 66 600 148 189 190 27 1000 106 500 300 200 28 67 600 107 500 149 1000 300 125 29 68 600 108 500 150 191 250 250 250 1000 151 300 69 70 30 600 109 500 192 1000 152 300 193 31 600 110 500 300 1000 71 600 111 500 153 194 250 32 300 1000 154 195 250 250 72 600 112 500 300 33 1000 155 196 73 300 300 34 600 113 500 156 197 1000 74 600 500 250 35 114 157 198 225 1000 75 300 199 200 36 600 115 500 158 200 1000 76 600 116 500 159 300 37 1000 300 77 600 117 500 160 38 1000 78 500 600 118 39 1000 79 500 560 119 40 1000 80 500 550 120
Transcribed Image Text:Cellphone Usage Data: Array of Average Monthly Expense Table C.2a. Table C.2a. (continued) Average Month Expense on Cellphone Use on Cellphone Use Among Females Average Monthly Expense on Cellphone Use Control Average Monthly Expense on Cellphone Use Control Number Average Monthly Expense on Cellphone Use Control Number Average Monthly Expense on Cellphone Use Control Number Control Number Control 200 Average Monthly Expense on Cellphone Use Number 201 Number 300 250 161 202 500 275 250 1 8000 162 203 41 121 500 250 4000 1000 163 204 250 42 81 122 500 250 3 2300 900 164 205 250 123 124 43 82 550 500 250 4 2000 900 165 44 83 500 500 250 5 2000 900 500 125 166 45 84 500 250 6. 2000 900 500 126 167 46 85 500 250 7 2000 900 500 127 168 47 86 500 250 8 2000 900 500 128 169 48 87 500 250 1800 900 500 129 170 49 88 400 250 10 1700 900 500 130 171 50 89 400 250 11 172 173 1500 900 500 131 51 90 400 250 12 1500 800 500 132 52 91 400 250 13 133 800 750 1500 500 400 174 53 92 134 250 14 500 175 1500 54 93 135 400 250 15 750 500 176 1400 300 94 95 55 136 250 16 750 500 177 1200 137 300 250 17 56 750 500 178 1200 96 138 300 250 18 57 750 500 179 1200 300 250 97 98 58 500 139 180 19 1200 750 140 300 250 59 500 181 700 20 21 300 225 66 100 1100 60 500 141 182 300 300 1100 700 142 200 61 500 183 22 1000 700 101 500 143 200 62 184 23 600 102 144 300 200 1000 63 500 300 185 200 24 1000 600 103 500 145 186 25 64 600 146 300 200 1000 104 500 187 26 65 600 147 300 200 1000 105 500 300 188 200 66 600 148 189 190 27 1000 106 500 300 200 28 67 600 107 500 149 1000 300 125 29 68 600 108 500 150 191 250 250 250 1000 151 300 69 70 30 600 109 500 192 1000 152 300 193 31 600 110 500 300 1000 71 600 111 500 153 194 250 32 300 1000 154 195 250 250 72 600 112 500 300 33 1000 155 196 73 300 300 34 600 113 500 156 197 1000 74 600 500 250 35 114 157 198 225 1000 75 300 199 200 36 600 115 500 158 200 1000 76 600 116 500 159 300 37 1000 300 77 600 117 500 160 38 1000 78 500 600 118 39 1000 79 500 560 119 40 1000 80 500 550 120
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