(INPUT ANSWER ONLY)
5.) Bernadette runs a large bowling league. Altogether, members of the league have played thousands of individual games over the course of the season. She suspects that the league average score is greater than 150 per game. She took a random sample of 15 scores and found the mean score to be 156 with a sample standard deviation of 36. Assume that the scores are approximately normally distributed. What is the value of the test-statistic? Round-off your answers to 3 decimal places.