Chapter 1. Interpreting Histograms

true
Stat Tutor
true
true

Question 1

1:17

Question 1.1

22UUT8CE/Ej6KhWVjakIZgSPLUz1Rlf9TK+PkUlcFOeoE3wm14v7RoIUAIpb2jetKRoftPTlnxZuAQBXCba421lMaO51xXTwDSnLndyPpRP19JcrNSzaF4B/J4ce4w3Q4zrw3NHEUDM=
Incorrect. This is a correct statement.
Correct. This is a correct statement.
Incorrect. Try again.
2

Question 2

2:15

Question 1.2

IhjoIZguMfsmOt+sfsityvReujyG/aGs7HNU4dequJ6pXS8etmThWWX1MutJr8VZCW46Qyc24iMJzfW4taToF3YI/lN87ELDnknfK0um2PEtbMze4S9DXjpyoW0xY4Bs/hsAFYhtDn+u7MHkoCJDChvJrBcVjL2l
Incorrect. This is a correct statement.
Correct. This is a correct statement.
Incorrect. Try again.
2

Question 3

3:28

Question 1.3

FanebtdjUiJ4/VwTQ5wm5yhcBcCTVSEroMteef4wCjjBX2EASaz7eXLqthV47WKTBgCyFPYqpmzA7q5wDRTxA2SFt4Dzo5s2eXmE5lnqymPW8IxWyy6rjRApjdaeZb1+yU03qC+CYcKmRz7dKNApnA==
Incorrect. This is a correct statement.
Correct. This is a correct statement.
Incorrect. Try again.
2

Question 4

4:11

Question 1.4

/xXptROw1l4g3b4z8z+LpjGYsU6cLrlpBeYjo9d9mOHEgm0E5gDUfW6yPC+77SBKnGFLiS+YjLbRZqj9ivZBWV5yBY1SzVFnS2lA6k5NjGW6rR8u4CzEQw==
Incorrect. Only some outliers are miscoded data points; many represent valid data values.
Correct. Only some outliers are miscoded data points; many represent valid data values.
Incorrect. Try again.
2

Question 5

4:49

Question 1.5

uauo7Ep5YRUoTgfhETmsaiJgHYASoHNnXDjtXBfRaM7KM8dy86bzYKEv0el6QGMwxChGrmUXdQ2YjWAvsnUD/01HzCzdQRQdqQTlafQ6u9sfBN/uOOTehmXvlPY9h9WfRv3b5HJFPiMBfbJKev+gl1OROOU=
Incorrect. Since this histogram is single peaked and tails out on the right, it is described as right-skewed.
Correct. Since this histogram is single peaked and tails out on the right, it is described as right-skewed.
Incorrect. Try again.
2

Question 6

4:58

Question 1.6

rCAkVVM97bn0FAuOpMOwTsQAD/yU/6vpXtjcE3Bpbv/O+3rFqSlAUKRqrmD5MyEM/QOLWkUOk38NR3hMxGC22YNQ13tbI9GAABrb5ZlYi8AqPnEAWeYjp64qM5FdmFnzxcZLmigHYvVh54/6qWOOX6Sm4ng=
Incorrect. This histogram would balance at about '20' if each bar were a block of wood.
Correct. This histogram would balance at about '20' if each bar were a block of wood.
Incorrect. Try again.
2

Question 7

5:04

Question 1.7

qLUWy4U7F2fGrlyUXvc48nJoVMIBGoHA+n2pB+bSOR1f+1bTTy77aoQxXk2FPXWpwlemrIk5+7uRG1liJJPvHD368/YIAHcrVMqYxSvdZmZUNsatP8/g8IRPGWRsA0ht1kJzT7lYrlXdaMY/aHPfgpKVIpzrpT2sPZQlG6/A30o=
Incorrect. The smallest observation is about zero and the largest is about 57.
Correct. The smallest observation is about zero and the largest is about 57.
Incorrect. Try again.
2

Question 8

5:10

Question 1.8

FKL+tBb4M4A2Hok8sNKlHErlMffsQbqjdzVSPGWVESPZR9JlT7fw/CBm2p0pS5KL
Incorrect. There are no observations which would cause one to exclaim, "Oh, wow! That's an outlier!!"
Correct. There are no observations which would cause one to exclaim, "Oh, wow! That's an outlier!!"
Incorrect. Try again.
2

Question 9

5:33

Question 1.9

UzQ84DjwU0AqEqltNB/poHmKeFvC7EwTKDjgY1aLD9TfxEBeXheUgjibxEFv20/vJk6YaLTTXSqmVekwCZ87ZmplCXkDtZlhcZrXMOEh0Ap6e80sPD1IEzYNwUSH7yn/uvHvfECikdIcgJ7IV1fwhVV097Y=
Incorrect. Since this histogram is single peaked and tails out on the left, it is described as left-skewed.
Correct. Since this histogram is single peaked and tails out on the left, it is described as left-skewed.
Incorrect. Try again.
2

Question 10

5:43

Question 1.10

hqjVQZBMQpJka3xHe5GPV0pbZeQfjo5mROEbt8Mzgo9QeerIc6pSZnhPa71Qg7pgWpYG4AhCiG4gt44bv5wU8drawGA3D+V7G7Uxfdim9F3cjyK+6cUqoOuvb4p7wAFHIs48HWvay8SOH40mjD7yhooCMMk=
Incorrect. This histogram would balance at about '11' if each bar were a block of wood.
Correct. This histogram would balance at about '11' if each bar were a block of wood.
Incorrect. Try again.
2

Question 11

5:53

Question 1.11

l7y8kM7xB0D9tRE32Chf1q/h3REXK+KILyITnVhPpc7TBInNpAAXgM8IYC6fm/2AN9Sbi4Vw2z2jfPUTWJueFPRNPX8DYLejpw/JmI4Ksvjq/clo04Pu25v9RsZ6kZTwQkc80/ZmcKlUQVZDiELfXycALY0U/Bsmm437rFoIbB4=
Incorrect. The smallest observation is about two and the largest is about 15.
Correct. The smallest observation is about two and the largest is about 15.
Incorrect. Try again.
2

Question 12

6:00

Question 1.12

FKL+tBb4M4A2Hok8sNKlHErlMffsQbqjdzVSPGWVESPZR9JlT7fw/CBm2p0pS5KL
Incorrect. There are no observations which would cause one to exclaim, "Oh, wow! That's an outlier!!"
Correct. There are no observations which would cause one to exclaim, "Oh, wow! That's an outlier!!"
Incorrect. Try again.
2

Question 13

6:13

Question 1.13

vMyhIIUkrbGZ6lhNjj9E9QxNBzTJtzEN1P/A5BpIB8qCdqCTx2HD9f+xUHw/oMvS/BATpZMHvD4TUSjReJyql1OoVUNItb0Mfe00XDcl2+6KF5aAp+2rDOvRTtpSIMmf+/4g+jYw0+KF9zFl+dotYIVUNZI=
Incorrect. This histogram is single-peaked and the tails on both sides are approximately the same length, so this histogram's shape is bell-shaped.
Correct. This histogram is single-peaked and the tails on both sides are approximately the same length, so this histogram's shape is bell-shaped.
Incorrect. Try again.
2

Question 14

6:22

Question 1.14

tc0FF+xCDLeCe/oZDOdpqwusMdhbjQubDG7UOv9g86872Tw88oCH5lm59j4yc3O2EZABHFNRNvXMp8zNvYL2Axyd06d+188tZMSywwIt4Q4npMEeIdNrUfaq8LAq0pBAUd6Na9MGp5LQuvsmatCdImiln8nMPnrJ
Incorrect. This histogram would balance at about 110 ounces if each bar were a block of wood.
Correct. This histogram would balance at about 110 ounces if each bar were a block of wood.
Incorrect. Try again.
2

Question 15

6:34

Question 1.15

j6aHHx0FjzXi5NQbelaLaQc/jEF8QVAC6eQ5w+LY3dYZ0ZJirEFVENhCq+Mp/keD+i9SZ6H6R+H8u9a7TDP2gcdevYUQ1kHMZj+tAnqepVKveon5XBuj1P6q5OPQrylNiKa3eXJba4sNOVFfzmBaGE0ayOvfaWzT
Incorrect. The smallest observation is about 50 and the largest is about 160.
Correct. The smallest observation is about 50 and the largest is about 160.
Incorrect. Try again.
2

Question 16

6:39

Question 1.16

WEyUJHwWh3+01Yhhsw9ExOH4OaTJ2v80h3g29dlp0r45uahWhq3Ahpwt2pk=
Incorrect. There are no observations which would cause one to exclaim, "Oh, wow! That's an outlier!!"
Correct. There are no observations which would cause one to exclaim, "Oh, wow! That's an outlier!!"
Incorrect. Try again.
2