3. Perform a hypothesis test to see if reading scores (using all the data) increased from the fall to the spring. a. What test did you use? b. What is your H-null and your Ha? c. What is your test statistic? d. What is your p-value? e. Conclusion: Do you reject H-null, why or why not? f. Interpretation: Did reading scores increase from fall to spring? g. If you answered "yes" to the previous part, by how much did the scores increase from fall to spring, on average?