Unit 7 Investigating Data Study Guide
Flashcard
•
Mathematics
•
9th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a positive correlation?
Back
A positive correlation is a relationship between two variables where, as one variable increases, the other variable also increases.
2.
FLASHCARD QUESTION
Front
What is a negative correlation?
Back
A negative correlation is a relationship between two variables where, as one variable increases, the other variable decreases.
3.
FLASHCARD QUESTION
Front
What does 'no correlation' mean?
Back
No correlation means there is no relationship between two variables; changes in one variable do not affect the other.
4.
FLASHCARD QUESTION
Front
Define mode in statistics.
Back
The mode is the value that appears most frequently in a data set.
5.
FLASHCARD QUESTION
Front
Define median in statistics.
Back
The median is the middle value of a data set when it is ordered from least to greatest.
6.
FLASHCARD QUESTION
Front
Define mean in statistics.
Back
The mean is the average of a data set, calculated by adding all values and dividing by the number of values.
7.
FLASHCARD QUESTION
Front
What are quartiles?
Back
Quartiles are values that divide a data set into four equal parts, with Q1 being the first quartile, Q2 the median, and Q3 the third quartile.
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