4. A teacher claims that the median time to do a particular type of mathematics problem is al most 3 minutes, but her students believe that the median time is more tthan 3 minutes. A random sample of 10 students completed the problem in the following times (in minutes): 2.5 4 4.5 4 2-5 4-5 3 Use the sign tests with a 0-05 level of significance to test the teacher's claim 3.5

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4. A teacher claims that the median time to do a particular type of mathematics problem
is al most 3 minutes, but her students believe that the median time is more than 3 minutes. A random
sample of 10 students completed the problem in the following times (in minutes):
2.5
4
4.5
4
2.5
4-5
3
3-5
Use the sign tests with a 0-05 level of significance to test the teacher's claim
Transcribed Image Text:4. A teacher claims that the median time to do a particular type of mathematics problem is al most 3 minutes, but her students believe that the median time is more than 3 minutes. A random sample of 10 students completed the problem in the following times (in minutes): 2.5 4 4.5 4 2.5 4-5 3 3-5 Use the sign tests with a 0-05 level of significance to test the teacher's claim
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