# Chapter 1. Organizing a Statistical Problem

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2:52

### Question 1.1

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Correct. Statistical inference is defined as using data from a sample to draw conclusions about a population.
Incorrect. Statistical inference is defined as using data from a sample to draw conclusions about a population.
2
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### Question 1.2

P5teVT87K2LynF6NvzoT7n4StevU/jVh84n2kgc2aYmuDszR2pqQi+5aZJGl9n3eDbdf/mIDF9y/GM6OVjEfeHVAAeT1Pozv24wJduhXg5XQotehB4OfGB8LZVqi8icNNaxg56dFB5joqdI9qhov9NKlmrDr4iqD7Sf79VU83sQao5Z1eG1uO6Ha1fE=
Correct. This is a correct statement.
Incorrect. This is a correct statement.
2
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3:22

### Question 1.3

Correct. This is a correct statement.
Incorrect. This is a correct statement.
2
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3:35

### Question 1.4

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Correct. This is a correct statement.
Incorrect. This is a correct statement.
2
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3:58

### Question 1.5

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Correct. This is a correct statement.
Incorrect. This is a correct statement.
2
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4:58

### Question 1.6

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Correct. This is a correct statement.
Incorrect. This is a correct statement.
2
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5:26

### Question 1.7

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Correct. Statistics is used in all four steps of statistical problem solving.
Incorrect. Statistics is used in all four steps of statistical problem solving.
2
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6:05

### Question 1.8

50UvRrE5pQtlYVMmEaXN3hbZsn1HHJfIO/IofxevqiMFWZKxo3Mxjuw7TgIDTWx+trYY6eVXZ7cq/mBB8Fk8kx8LTJTCCoNupWDSDcby30Do/h/Awj6n+/SBXu+Xn/3nsQhHw2viw1nrlbdi7NydTiAq57Teddxqbwtox0YnxTCSYVMkkAFH/icUcmSZEKFM+qF04hl5HG0=
Correct. This is a correct statement.
Incorrect. This is a correct statement.
2
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6:41

### Question 1.9

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Correct. Valid conclusions can only be done if the data are properly collected and if the appropriate analysis procedure has been used.
Incorrect. Valid conclusions can only be done if the data are properly collected and if the appropriate analysis procedure has been used.
2
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19:00

### Question 1.10

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Correct.This is a correct statement.
Incorrect. This is a correct statement.
2
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### Question 1.11

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Correct. Sometimes ignoring an important influential variable gives incorrect results.
Incorrect. Sometimes ignoring an important influential variable gives incorrect results.
2
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22:21

### Question 1.12

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Correct. Any statistical graph or statistical numerical summary can be manipulated to mislead.
Incorrect. Any statistical graph or statistical numerical summary can be manipulated to mislead.
2
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23:11

### Question 1.13

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Correct. Valid conclusions also require that data are properly collected.
Incorrect. Valid conclusions also require that data are properly collected.
2
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23:54

### Question 1.14

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Correct. Manipulation can be done either deliberately or innocently.
Incorrect. Manipulation can be done either deliberately or innocently.
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25:15

### Question 1.15

TCZdeNVxR8t3HLmgd85f/l6O8vzWE1ylzbuOA3fkzzDJDzluGvwITwhqvjKo0OvfhZvlLOA+IAESs3BHibTwlgfZgWjCf7o6hW0Vwx4QwcLiJTpF/huz7l3cVL+0v3m6NJcJQXm78MgFewGyEj8kBBn/FvWXhwuuIyr4Rku/KhYwOxIZoefMxA==
Correct. Valid conclusions depend on properly collected data, use of appropriate statistical methods and healthy skepticism.
Incorrect. Valid conclusions depend on properly collected data, use of appropriate statistical methods and healthy skepticism.
2
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26:51

### Question 1.16

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Correct. This is a correct statement.
Incorrect. This is a correct statement.
2
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### Question 1.17

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Correct. In step 1, we state the problem and in step 2, we plan the solution.
Incorrect. In step 1, we state the problem and in step 2, we plan the solution.
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### Question 1.18

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Correct. In step 3, we actually collect the data and do the analysis.
Incorrect. In step 3, we actually collect the data and do the analysis.
2
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