State the null hypothesis and the alternative hypothesis in (a) words and in (b) symbols

QUESTION:

State the null hypothesis and the alternative hypothesis in (a) words and in (b) symbols A random sample of 200 students got a mean score of 62 with a standard deviation score of 5 in a knowledge test in mathematics. In the standardization of the test, μ = 50 with σ =10?


 

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