Response to the following problem:
In an early home game, an NBA team made 63.83 percent of their 94 free throw attempts. In one of their last home games, the team had a free throw percentage equal to 83.95 percent out of 81 attempts. Do basketball teams improve their free throw percentage as their season progresses? Test the hypothesis of equal free throw percentages, treating the early season and late season games as random samples. Use a level of significance of .10.
Identify the decision rule. (Round your answers to 2 decimal places. Negative value should be indicated by minus sign.)
Calculate the Z test statistic value. (Round your answer to 4 decimal places. Negative value should be indicated by a minus sign.)