Business stats

In a sample of 15 randomly selected high school seniors, the mean score on a standardized test was 1199 and the standard deviation was 166.9. Further research suggests that the population mean score on this test for high school seniors is 1021. Does the t-value for the original sample fall between - to go and to go ? Assume that the population of test scores for high school seniors is normally distributed. The t-value of t= fall between - to.90 and to.90 because to go = (Round to two decimal places as needed.)