level of a 0.002. = = : = 51.2 Ho Ha 51.2 You believe the population is normally distributed, but you do not know the standard deviation. You obtain a sample of size n = : 18 with mean M = 44.5 and a standard deviation of SD = 8.3. What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = -3.425 OF What is the p-value for this sample? (Report answer accurate to four decimal places.) p-value = -0.074