A researcher would like to determine whether a new drug has an effect on IQ. A sample of n = 100 participants is obtained, and each person is given a standard dose of the medication one hour beforebeing given an IQ test. For the general population, scores on the IQ test are normally distributed with μ= 100 and o=15. The individuals in the sample who took the drug had an average score of M =103.a. Use a two-tailed test with a= .05. Conduct the four steps for hypothesis testing and labeleach step: Step1, Step 2, Step 3, and Step 4.b. Calculate Cohen's d.c. Are the data sufficient to conclude that there is a significant difference? Write youranswer in the form of a sentence.