Mathematics, 24.08.2019 13:00 sherifour
Amanda surveyed 20 juniors and seniors at delamar high school to find the number of hours per week they spend working at part-time jobs. her results are shown below.
juniors: 20, 10, 20, 10, 15, 0, 0, 10, 20, 15
seniors: 20, 20, 10, 10, 0, 0, 0, 10, 0, 10
which statement about the data is true?
1.the range of hours worked is the same for juniors and seniors
2.the mean, medium, and mode for the juniors surveyed fall within a 3-hour range
3. the mean number of hours worked by the seniors surveyed is 12.
4. the mean number of hours worked is the same for junior and seniors.
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Amanda surveyed 20 juniors and seniors at delamar high school to find the number of hours per week t...
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