Two data sets yield the following standard deviations.  Which data set is more consistent?   Data set 1:  standard deviation = 5.7                        Data set 2:  standard deviation = 1.6

Which of the following measure the average deviation of a data set? 1.  sample range   2.  sample interquartile range   3.  sample coefficient of variation   4.  sample standard deviation   5.  sample variance

Use the grouped data formulas to find the indicated mean or standard deviation. For the following data set, approximate the sample standard deviation. Height (in inches) Frequency 50-52 53-55 56-58 12 59-61 13 62-64 11 E

Find the range, sample standard deviation and inter-quartile range (1QR) of the following data set. 21 27 28 29 35 39 64 85 96 96 range = (Please enter an exact answer.) standard deviation (s) = (Round to one decimal place.) IQR = (Please enter an exact answer.) A new number, 156, is added to the data set above. Find the range, sample standard deviation and IQR of the new data set. range = (Please enter an exact answer.) standard deviation = (Round to one decimal place.) IQR = (Please enter an exact answer.) Which measure of spread is less affected by the addition of the extreme observation? O IQR Range O standard deviation