Algebra 2

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.

  1. 0
  2. 15
asked by Danny
  1. I'll be glad to check your answer.

    posted by Ms. Sue
  2. c.

    posted by Danny
  3. or 3 i think?

    posted by Danny
  4. No.

    posted by Ms. Sue
  5. 4.

    posted by Danny
  6. No.

    Be sure you know the meanings of these terms.

    posted by Ms. Sue
  7. 2.

    posted by Cayce
  8. Has to be 2.

    posted by Danny
  9. For heavens sake look up the definition of these terms instead of guessing !!!

    posted by Damon
  10. the answer is 2. if you do the work. it isn't that difficult. Add the data for the seniors and divide by 10 then do the same for the juniors.

    posted by Caitlin
  11. THE answer is
    1.the range of hours worked is the same for juniors and seniors
    for the people in connexus

    posted by Blank

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