Suppose a long jumper claims that his jump distance is not equal to 16 feet on average Several of his teammates do not believe him so the long jumper decides to do a hypothesis test at a 10 significance level to persuade them He makes jumps The mean distance of the sample jumps is 15 4 feet The long jumper knows from experience that the standard deviation for his jump distance is 1 8 feet Ho 16 Ha 16 a 0 1 significance level What is the test statistic z score of this one mean hypothesis test rounded to two decimal places Provide your answer below