Consider the following sample data values. 13 12 5 9 6 18 15 19 1 a) Calculate the range. b) Calculate the sample variance. c) Calculate the sample standard deviation. a) The range is 18. b) The sample variance is (Round to two decimal places as needed.) c) The sample standard deviation is (Round to two decimal places as needed.) Enter your answer in each of the answer boxes.
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In this case, the highest value is 113 and the lowest value is 2. So, the range is: Range = 113 - 2 = 111 b) To calculate the sample variance, we first need to find the mean of the dataset. The mean is the sum of all values divided by the number of values: Mean Show more…
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