cord You wish to test the following claim (H1) at a significance level of a = 0.002. des Ho: u = 78.7 or.com: 24/7 H1: u > 78.7 line Tutoring You believe the population is normally distributed, but you do not know the population standard deviation. You obtain the following sample of data: Hint: You may want to use a spreadsheet or calculator to calculate the sample mean and standard deviation, instead of calculating by hand. data 64.9 87.7 81.8 81.1 88.2 95.7 116.2 122.6 What is the test statistic for this sample? (Report answer accurate to three decimal places.) test statistic = Submit