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5 May 2019
The average student spends 8.5 hours every week doing homework. A random sample of 40 Dowling students revealed that the average number of hours spent every week studying was 9.6 hours. The population standard deviation is 3.2 hours.
At the 0.05 level of significance, can it be concluded that this represents a difference from the national average?
The average student spends 8.5 hours every week doing homework. A random sample of 40 Dowling students revealed that the average number of hours spent every week studying was 9.6 hours. The population standard deviation is 3.2 hours.
At the 0.05 level of significance, can it be concluded that this represents a difference from the national average?
8 Jun 2023
redskunk221Lv1
2 Jun 2021
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