a. What is the value of the difference between actual time spent on "Report Writing" (actual mean) and the ideal time spent on report writing (ideal mean)? Is the difference in your answer statistically significant? Should the null hypothesis for the difference in your answer? Explain b. What is the value of the difference between actual time spent on "Parent Consultation" (actual mean) and the ideal time spent on report writing (ideal mean)? Is the difference in your answer statistically significant? Should the null hypothesis for the difference in your answer? Explain. C. How many of the 21 variable null hypotheses underlying each statistical test in the chart above should be rejected