ECON 1620 The length of time (in months) between the onset of a particular illness and its recurrence have been recorded: 1.8; 5.0; 9.4; 23.2; 3.8; 5.1; 2.5; 6.0; 8.1; 7.1; 8.9; 8.5; 19.1; 8.2; 10.3; 10.7; 4.2; 16.1; 2.8; 2.7. 1. Examine the data and count the number of observations that fall within the intervals: ¯x±s, ¯x±2s, ¯x±3s. Are these numbers consistent with Chebychev theorem? With the empirical rule?