Stats Test 3 Review

Flashcard
•
Mathematics
•
11th - 12th Grade
•
Hard
Wayground Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is a correlation coefficient?
Back
A statistical measure that describes the strength and direction of a relationship between two variables, ranging from -1 to 1.
2.
FLASHCARD QUESTION
Front
What does a correlation coefficient close to zero indicate?
Back
It indicates a weak or no linear relationship between the two variables.
3.
FLASHCARD QUESTION
Front
What effect does changing the units of measurement have on correlation?
Back
No Change; correlation is a unitless measure.
4.
FLASHCARD QUESTION
Front
What is the shape of a distribution for salaries in a city?
Back
Skewed Right; typically, a few high salaries pull the mean to the right.
5.
FLASHCARD QUESTION
Front
What percent of scores fall within one standard deviation of the mean in a normal distribution?
Back
Approximately 68%.
6.
FLASHCARD QUESTION
Front
What is the formula to calculate an index number?
Back
Index Number = (Current Value / Base Value) x 100.
7.
FLASHCARD QUESTION
Front
If the mean is 100 and the standard deviation is 20, what is the range for one standard deviation?
Back
80 to 120.
Create a free account and access millions of resources
Similar Resources on Wayground
15 questions
Standard Deviation

Flashcard
•
11th - 12th Grade
15 questions
Normal Distribution

Flashcard
•
11th - 12th Grade
15 questions
Normal Distribution

Flashcard
•
11th - 12th Grade
15 questions
Central Limit Theorem

Flashcard
•
11th - 12th Grade
15 questions
Finding Z - Score

Flashcard
•
11th - 12th Grade
15 questions
Warm-Up Normal Distribution

Flashcard
•
11th Grade
15 questions
Normal Distribution & Empirical Rule

Flashcard
•
10th - 12th Grade
15 questions
Normal Distribution and Standard Deviation

Flashcard
•
11th - 12th Grade
Popular Resources on Wayground
20 questions
Brand Labels

Quiz
•
5th - 12th Grade
10 questions
Ice Breaker Trivia: Food from Around the World

Quiz
•
3rd - 12th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
20 questions
ELA Advisory Review

Quiz
•
7th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
22 questions
Adding Integers

Quiz
•
6th Grade
10 questions
Multiplication and Division Unknowns

Quiz
•
3rd Grade
10 questions
Exploring Digital Citizenship Essentials

Interactive video
•
6th - 10th Grade
Discover more resources for Mathematics
29 questions
CCG 2.2.3 Area

Quiz
•
9th - 12th Grade
9 questions
Geometry and Trigonometry Concepts

Interactive video
•
9th - 12th Grade
17 questions
Analyze Real-World Inequalities and Graphs

Quiz
•
9th - 12th Grade
20 questions
Integer Operations

Quiz
•
6th - 12th Grade
18 questions
Solve Absolute Value Inequalities

Lesson
•
9th - 11th Grade
15 questions
Exterior Angle Theorem

Quiz
•
9th - 12th Grade
20 questions
Solving Absolute Value Equations

Quiz
•
11th - 12th Grade
9 questions
Proving lines are parallel using angles

Quiz
•
9th - 11th Grade