The intelligence quotients (IQ) of 16 students from B.Tech. Ilnd year showed a mean of 107 and a standard deviation of 10, while the IQs of 14 students from B.Tech. 1st year showed a mean of 112 and a standard deviation of 8. Is there a significant difference between the IQs of the two groups at significance levels of 0.05? Given that critical value at 28 degree of freedom with 5% level of significance is 2.05.
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Answer:
(-p+3q)-(-2p-4q) is equal to ________
Explanation:
significance
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