A sample of 26 offshore oil workers took part in a simulated escape exercise, resulting in the accompanying data on time (sec) to complete the escape. Here is a stem-and-leaf display of escape time data. stem leaf 32 55 33 49 34 35 6699 36 34469 37 03345 38 7 39 2347 40 23 41 42 8 (a) Determine the value of the fourth spread. (b) Are there any outliers in the sample? Any extreme outliers? O There are no extreme outliers but several outliers. O There are several extreme outliers. O There is one extreme outlier and one outlier. O There are no outliers or extreme outliers. O There is one extreme outlier and several outliers. (c) Construct a boxplot. D + · ·H Escape Escape time 320 340 360 380 400 420 time 320 340 (sec) O 360 380 400 420 320 340 360 380 (sec) O O Comment on its features. O The distribution is roughly symmetric with no outliers. O The distribution is roughly bimodal with no outliers. O The distribution is roughly symmetric with several outliers. O The distribution is positively skewed with several outliers. O The distribution is negatively skewed with several outliers. 360 380 400 420 Escape time 320 340 (sec) O H 420 400 Escape time (sec)

A sample of 26 offshore oil workers took part in a simulated escape exercise, resulting in the accompanying data on time (sec) to complete the escape. Here is a stem-and-leaf display of escape time data. stem leaf 32 55 33 49 34 35 6699 36 34469 37 03345 38 7 39 2347 40 23 41 42 8 (a) Determine the value of the fourth spread. (b) Are there any outliers in the sample? Any extreme outliers? O There are no extreme outliers but several outliers. O There are several extreme outliers. O There is one extreme outlier and one outlier. O There are no outliers or extreme outliers. O There is one extreme outlier and several outliers. (c) Construct a boxplot. D + · ·H Escape Escape time 320 340 360 380 400 420 time 320 340 (sec) O 360 380 400 420 320 340 360 380 (sec) O O Comment on its features. O The distribution is roughly symmetric with no outliers. O The distribution is roughly bimodal with no outliers. O The distribution is roughly symmetric with several outliers. O The distribution is positively skewed with several outliers. O The distribution is negatively skewed with several outliers. 360 380 400 420 Escape time 320 340 (sec) O H 420 400 Escape time (sec)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 10CYU

See similar textbooks