A pharmaceutical company is testing the effectiveness of two varieties of a new non addictive sleeping aid pill. They observe the time between pill consumption and the moment the individual falls asleep. Among a total of 360 subjects, 180 are given
each variety pill. The following data are collected.
The researchers would like to know if there is a difference in the effectiveness of the two varieties. Conduct a X² test of the null hypothesis. Use α=0.05.

Question

A pharmaceutical company is testing the effectiveness of two varieties of a new non addictive sleeping aid pill. They observe the time between pill consumption and the moment the individual falls asleep. Among a total of 360 subjects, 180 are given
each variety pill. The following data are collected.

The researchers would like to know if there is a difference in the effectiveness of the two varieties. Conduct a X² test of the null hypothesis. Use α=0.05.

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The Answer of A pharmaceutical company is testing the effectiveness of two varieties of a new non addictive sleeping aid pill. They observe the time between pill consumption and the moment the individual falls asleep. Among a total of 360 subjects, 180 are given each variety pill. The following data are collected. The researchers would like to know if there is a difference in the effectiveness of the two varieties. Conduct a X² test of the null hypothesis. Use α=0.05.

A Pharmaceutical Company Is Testing the Effectiveness of Two Varieties