- Complete the solution and answer it correctly. Note that answer this on a piece of paper and also follow the steps that given below.

I. HYPOTH ESIS TESTING Directions: Answer the given problems by following the steps of hypothesis testing. You will be graded for every correct answer in the steps of hypothesis testing. (The steps are shown below) STEP 1: State the null and alternative hypothesis STEP 2: Determine the level of significance and sample size STEP 3: Determine the appropriate test statistic to be used STEP 4: Determine the critical value STEP 5: Compute for the statistical value STEP 6: Decision (Reject or Fall to reject the null hypothesis) STEP 7: Conclusion 3. Average college cost of tuition fee for all private institutions last year was P36,400. A random sample of costs this year for 45 institutions of higher learning indicated that the sample mean was P37,900 and a sample standard deviation of P5,600. At 0.10 level of significance, is there sufficient evidence to conclude that the cost has increased