Generate a scatter diagram

Reference no: EM13975304

1. Data for a sample of college players eligible to enter the National Football League include weight (pounds) and time (seconds) required to sprint 40 yards. Using the data listed in file XR03068, and with weight as the x (independent) variable and time as the y (dependent) variable, generate a scatter diagram, fit a linear equation to the diagram, then determine and interpret the coefficients of correlation and determination. Source: "Rating the Prospects," USA Today, April 14, 2000, p. 19C.

2. During a five-year period, the Federal Aviation Administration took administrative actions (letters of cor- rection or warning notices) and levied fines against U.S. airline companies for various safety-related reasons. For each airline involved, data file XR03069 lists the num- ber of administrative actions taken toward the airline along with the total amount of fines (in millions of dol- lars) levied against the airline during this time period. Using number of administrative actions as the x (inde- pendent) variable and fines as the y (dependent) variable, generate a scatter diagram, fit a linear equation to the diagram, then determine and interpret the coefficients of correlation and determination. Source: "Fines and Administrative Actions Against U.S. Airlines," USA Today, March 13, 2000, p. 3B.

Reference no: EM13975304

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