Question: help.. thx IV.EVALUATION: Activity: Solve for the following problems. 1.) The average salary of teachers in the Philippines is P31, 100 with standard deviation P14074.07.

help.. thx

IV.EVALUATION: Activity: Solve for the following problems. 1.) The average salary of teachers in the Philippines is P31, 100 with standard deviation P14074.07. If we choose 120 teachers what would be the average and the standard deviation of their salary? 2.) Given a population with mean and variance of 180 and 15 respectively. If we choose 200 sample from this population, what will be the expected mean and standard deviation of the sampling distribution of sample mean? 1.) The average gross profit per day of cellphone application is P1, 101, 152.50 with standard deviation of P152,924.10. If we choose 1000 samples from these applications, what will be the expected mean and standard deviation of the sampling distribution of sample mean? 2.) A population has mean and standard deviation of 97 and 23 respectively. If we choose 15 samples, what will be the expected mean and standard deviation of the sampling distribution of sample mean

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