The campus of Universiti Malaysia Sabah has a lake. A student used a Secchi disk to measure the clarity of the lake's water by lowering the disk into the water and measuring the distance below the...

statistic question 3

Extracted text: The campus of Universiti Malaysia Sabah has a lake. A student used a Secchi disk to measure the clarity of the lake's water by lowering the disk into the water and measuring the distance below the water surface at which the disk is no longer visible. The following measurements were taken on the lake at various points in time over the course of a year. Table 2 82 64 62 66 68 43 38 26 68 56 54 66 a) Create a 95% confidence interval for the mean Secchi disk measurement. Interpret the result. b) Create a 99% confidence interval for the mean Secchi disk measurement. Interpret the result.