insights provide teachers with the top five hits within the last 7 days. Based on a random sample of 30 students, we recorded the number of hits in Practical. The descriptive statistics for the data are shown below: Hs Mean 695 Median 703 Standard Deviation 34 Range 120 Max 747 Min 627 Count 30 Calculate a 95% confidence interval for the average numbers hits in Practical based on a sample of 30 students. 1. (1 mark) The lower bound is = 682.834 8 (3dp) 2. (1 mark) The upper bound is = 707.167 8 (3dp)