For their final project, a group of AP® Statistics students wanted to compare the texting habits of males and females. They asked a random sample of students from their school to record the number of text messages sent and received over a 2-day period. Here are their data:

Let  the true mean number of texts sent by male stu- dents at the school and  the true mean number of texts sent by female students at the school. Check if theconditions for calculating a confidence interval for  are met.

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Males 127 44 28 83 6 78 Females 112 203 102 54 379 305 179 24 Males 5 213 73 20 214 28 11 Females 127 65 41 27 298 6. 130