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3. Refer to data set in Q2. Assume that salary is not Normally distributed. (a) Can we conclude if fresh graduates from A get higher
3. Refer to data set in Q2. Assume that salary is not Normally distributed. (a) Can we conclude if fresh graduates from A get higher salary than those from B? Report p-value. Conclude at a = 15%. (b) Can we conclude if fresh graduates from C get higher salary than those from D? Report p-value. Conclude at a = 20%. ((4+1)+(4+1)1
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