An elementary school teacher is trying to limit the number of bathroom trips her students make during school hours. For one week the teacher recorded the number of times each student went to the bathroom. The next week, the teacher puts into place a new policy that takes a minute away from recess for each time after the second time that a student uses the bathroom. She then records the number of times each student goes to the bathroom after the adoption of the new policy. Does the data provide sufficient evidence to conclude that the teacher's policy works? Conduct a hypothesis test. Use a = .01. (Possible p-values: 0.0003, 0.0006, 0.9997)

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3.
An elementary school teacher is trying to limit the number of bathroom trips her students make during school hours.
For one week the teacher recorded the number of times each student went to the bathroom. The next week, the
teacher puts into place a new policy that takes a minute away from recess for each time after the second time that a
student uses the bathroom. She then records the number of times each student goes to the bathroom after the
adoption of the new policy. Does the data provide sufficient evidence to conclude that the teacher's policy works?
Conduct a hypothesis test. Use a = .01. (Possible p-values: 0.0003, 0.0006, 0.9997)
H1 - H2 : mean of the paired difference between Before Times and After Policy Times
Difference
Sample Diff. Std. Err. DF
T-Stat
P-value
Before - After
3.235294 0.511122 16 6.3297887
Transcribed Image Text:3. An elementary school teacher is trying to limit the number of bathroom trips her students make during school hours. For one week the teacher recorded the number of times each student went to the bathroom. The next week, the teacher puts into place a new policy that takes a minute away from recess for each time after the second time that a student uses the bathroom. She then records the number of times each student goes to the bathroom after the adoption of the new policy. Does the data provide sufficient evidence to conclude that the teacher's policy works? Conduct a hypothesis test. Use a = .01. (Possible p-values: 0.0003, 0.0006, 0.9997) H1 - H2 : mean of the paired difference between Before Times and After Policy Times Difference Sample Diff. Std. Err. DF T-Stat P-value Before - After 3.235294 0.511122 16 6.3297887
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