NayNay1105
24.07.2020 •
Mathematics
In a study of reaction times of dogs to a specific stimulus, an animal trainer obtained the following data, given in seconds. 3.9 8.2 6.3 8.3 5.2 4.9 7.5 6.9 5.0 7.1 7.0 7.4 5.5 4.6 6.4 6.7 8.5 6.6 7.3 4.3 5.1 8.5 2.5 6.6 6.2 7.9 7.3 3.3 7.2 7.9 7.5 7.7 5.0 5.3 4.1 7.2 8.7 6.6 6.0 3.7 6.3 9.0 7.2 9.5 2.1 3.1 7.2 8.5 4.5 7 8 8.1 4.9 3.5 5.2 6.0 2.8 8.0 8.6 6.1 8.7 7.3 9.4 7.3 4.3 4.8 4.4 4.8 4.4 4.8 4.4 (i) Estimate the number of classes and class width using the Surges’ Rule and corrected to one decimal place (ii) Construct a grouped frequency distribution for the given data. (iii) Compute the mean, median, mode and the standard deviation. (iv) Compute the coefficients of variation
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