Statistics essay
Task 1 (due date 29th June 2021) Query 1 Through the Spring 2009 semester, 200 college students took a statistics check from a specific teacher. The ensuing grades are given within the following desk. Take a look at grades Quantity 50 – 60 13 60 –70 44 70 – 80 74 80 – 90 59 90 –100 9 100 – 110 1 Complete 200 1. What's the class width? 2. Draw and fully label a frequency histogram of the statistics check grades. three. Draw and fully label a relative frequency histogram of the statistics check grades. four. Rigorously study the 2 histograms in elements b and c and clarify why certainly one of them is likely to be extra helpful to a pupil and to the trainer. Query 2 The Workplace of Coal, Nuclear, Electrical and Alternate Fuels reported the next information as the prices (in cents) of the common income per kilowatt-hour for sectors in Arkansas: 6.61 7.61 6.99 7.48 5.10 7.56 6.65 5.93 7.92 5.52 7.47 6.79 eight.27 7.50 7.44 6.36 5.20 5.48 7.69 eight.74 5.75 6.94 7.70 6.67 four.59 5.96 7.26 5.38 eight.88 7.49 6.89 7.25 6.89 6.41 5.86 eight.04 1. Put together a grouped frequency distribution for the common income per kilowatt-hour utilizing class boundaries four, 5, 6, 7, eight, 9. 2. Discover the category width. three. Record the category midpoints. four. Assemble a relative frequency histogram of those information. -research paper writing service