Brand       Apple Samsung LG Basic mobile phone Other smart phone Do not use mobile phone Total Gender Male 108 30 5 2 23 0 168 Female 161 32 0 0 9 0 202 Total 269 62 5 2 32 0 370 b.         Derive a relative frequency cross classification table based on row totals (i.e., gender) using the table in above.     Brand       Apple Samsung LG Basic mobile phone Other smart phone Do not use mobile phone

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