The number of text messages sent and the number of phone calls made in a sample of 100 students Identify the explanatory variable and the response variable, if possible O Either variable could be the explanatory variable because cach one could be used to predict or explain the other. O Explanatory variable: students; response variable: number of phone calls made O Explanatory variable: number of phone calls; response variable: number of text messages O Explanatory variable: number of text messages; response variable: number of phone calls Explanatory variable: students: response variable: number of text messages

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