Direction: Fill in the blanks with correct lntormation to solve each given problem. Write your answer on the space provided. Problem 1: A researcher reports that the average to level of students in Philippine Science High School (PSHS) is 110. A sample of 20 students has a mean IQ level of 106 with a standard deviation of 9. At 5% level of signicance. test the claim that the IQ level of students in PSHS is 110. Solution: Given: = =110 = Step 1: State the null and alternative hypothesis Step 2: Determine the test statistic. then compute its value. Since n