At least one of the answers above is NOT correct. (1 point) The times (in second

Question

At least one of the answers above is NOT correct. (1 point) The times (in seconds) between fifteen consecutive eruptions of a geyser were as follows: 878, 871, 906, 933, 930, 852, 890, 861, 882, 888, 897, 899, 879, 888, 848 By entering the data into R, find the following (giving answers to two decimal places): Part a) The sample mean is 886.8(sec) Part b) The sample variance is 602.02E (sec2). Part c) The sample median is 886.8(sec Part d) The sample IQR is Part e) Which of the following is a boxplot of the data? D sec

Explanation / Answer

The statistical software output for this problem is:

Summary statistics:

Column n IQR
Data 15 28

Hence,

IQR = 28 sec

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