answer question 2 please

Assignment 6 1. Frequency tests of a brass rod 145 cm long give values of 1200, 1190, 1205, 1185, and 1200 vibrations per second. What is the sample standard deviation? 2. Four readings of the thickness of turbine wheels are 0.076 mm, 0.082 mm, 0.073 mm, and 0.077 mm. Determine the standard deviation. 3. The frequency distribution given here shows the percent of organic sulfur in Illinois No. 6 coal. Determine the sample standard deviation. Cell Midpoint (%) Frequency (Number of Samples per midpoint) 0.5 1 0.8 16 1.1 12 1.4 10 1.7 12 2.0 18 2.3 16 2.6 3 4. How do the range, mean, standard deviation, median, and mode work together to describe a distribution? (This response will take some reading of the material in the book/PowerPoint and a little bit of outside reference materials) 5. Read and answer question 34 on page 160-161