1. The following data represent the amount in pesos spent on electronics device by a group of students during their 40 weeks of class. Find the mean and variance. |32|22|19|18|43|42|40|43|18|21 312622254740|26|32|22|34| 28354726 35 38 35 28 19 38 353836 2522 45 48 26 34 41

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