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3. The following data show the survey results of the number of children in families. Create a frequency table for this data. Data: 3, 5, 2, 4, 3, 1, 4, 1, 2, 5, 3, 6, 4,3,5,4,4,6, 2, 4, 2, 2. Number of Children Tally Frequency Using the frequency table from question 3 find: (a) the mean number of children per family (b) the median number of children per family the modal number of children per family