Listed below are amounts (in millions of dollars) collected from parking meters by a security service company and other companies during similar time periods. Do the limited data listed here show evidence of stealing by the security service company's employees? Find the coefficient of variation for each of the two samples, then compare the variation. A certain group of test subjects had pulse rates with a mean of 76.5 beats per minute and a standard deviation of 12.4 beats per minute. Use the range rule of thumb for identifying significant values to identify the limits separating values that are significantly low or significantly high. Is a pulse rate of 81.3 beats per minute significantly low or significantly high