# Chapter 1. Spotting Suspected Outliers

true
Stat Tutor
true
true

0:57

### Question 1.1

KjtUpAesrrNLRemj0L1Ex1LrLEX+qz+iE4Gh6ZQGa+GhKugJJ1EryEXynHT4A8sZGlGTls4Q97OJeHsZS9+Hcex7kvfKx40tKBlSraRD926qG3RHXksxtz+IhMDx2fZgzqxRMDu8PQA=
Incorrect. This is a correct statement.
Correct. This is a correct statement.
Incorrect. Try again.
2

### Question 1.2

MMt9qGxxhl51oQ8lS577B+VfXviGNc7u2HHn/m49uyPX6/pJpufiLMDVWCkoT7hie1Wcde4lsY9519MFw2fkFXCSOX1y7vGEfSbyXF712YupGxPQ
Incorrect. This is a correct statement.
Correct. This is a correct statement.
Incorrect. Try again.
2

### Question 1.3

iJE+p/gZHyVn4gPikzWP6NrupBWiMv40QiqFCj05Mp4F2z4v/gD0VyjGI5VnqIJNWTECsfyIZBltdTg+ZgfIzDt1bdev7OwD8ERkl+Linbjhv2Mv
Incorrect. Interquartile range is always smaller than range.
Correct. Interquartile range is always smaller than range.
Incorrect. Try again.
2

2:48

### Question 1.4

Incorrect. Interquartile range = Q3 minus Q1 = 86% minus 71% = 15%.
Correct. Interquartile range = Q3 minus Q1 = 86% minus 71% = 15%.
Incorrect. Try again.
2

3:36

### Question 1.5

Incorrect. Because of the complex theoretical properties of range and interquartile range, they are seldom used.
Correct. Because of the complex theoretical properties of range and interquartile range, they are seldom used.
Incorrect. Try again.
2

5:25

### Question 1.6

al9YoIat7/cbLKyRE7Fkfnc+IIjSqU02TcFejdHcLKnGhgGC6o0oRsQFysT8QczqOwLeGfAfR5XbV516lkM7H2pLMLFp/1Xy9+HKgeGLQ1gq24ubiIZ6FtXDqUjqw/jrmsdqCxM92HfIWJxfN0kSmmapdDQ2Cq57lPr5io63C/1Hp0Rux2ItBZgJcASinDq3o5nAJO/KVuaAPxd9yUBioxu3HaFZIo/J7N69pWzu3+WN2c8ogSTeMUzRPDRqo0ZWWB8C2oU9wqJD9T9N+v4e5N+v8lUlwOQN0+Ni9uXARPHUMRgR7M8SuZkIKz0gKlFUEXX+mDBKIEv3+v8iGCGoh7dqPnMPbWzt8EBvTPcN4IKoCSwaikzhdDV+E/U=
Incorrect. Q1 – 1.5xIQR = 71% - 1.5x15% = 48.5%. Since 23% < 48.5%, it is an outlier.
Correct. Q1 – 1.5xIQR = 71% - 1.5x15% = 48.5%. Since 23% < 48.5%, it is an outlier.
Incorrect. Try again.
2