Directions: Read and analyze the problem below and follow the statistical hypothesis testing procedure to answer the problem. The average IQ of a certain population is 100 with a standard deviation of 15. A team of scientists wants to test a new medication to see if it has either a positive or negative effect on intelligence, or no effect at all. A random sample of 30 participants who have taking the medication has a mean of 140. Did the medication affect intelligence, test the claim using alpha = 0.05