QUESTION IMAGE
Question
jim sorted his collection of model vehicles. he had 12 model cars, 6 model motorcycles, and 2 model trucks. complete the relative frequency table for the data. jims model vehicles vehicle car motorcycle truck relative frequency % % %
Step1: 计算总数
首先计算模型车辆的总数,即\(12 + 6 + 2 = 20\)。
Step2: 计算汽车的相对频率
汽车的数量是\(12\),相对频率为\(\frac{12}{20} \times 100\% = 60\%\)。
Step3: 计算摩托车的相对频率
摩托车的数量是\(6\),相对频率为\(\frac{6}{20} \times 100\% = 30\%\)。
Step4: 计算卡车的相对频率
卡车的数量是\(2\),相对频率为\(\frac{2}{20} \times 100\% = 10\%\)。
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汽车的相对频率为\(60\%\),摩托车的相对频率为\(30\%\),卡车的相对频率为\(10\%\)。即表格中依次填入\(60\)、\(30\)、\(10\)。