Unit 3 Flashcard Statistics

Flashcard
•
Mathematics
•
8th - 10th Grade
•
Hard
Wayground Content
FREE Resource
Student preview

15 questions
Show all answers
1.
FLASHCARD QUESTION
Front
What is the formula to calculate coffee sales based on temperature?
Back
y = -60x + 6443, where x is the temperature and y is the coffee sales.
2.
FLASHCARD QUESTION
Front
What does a strong positive correlation indicate in a graph?
Back
A strong positive correlation indicates that as one variable increases, the other variable also increases.
3.
FLASHCARD QUESTION
Front
What is the linear regression equation for pizza sales if the equation is y = 1.5x + 12?
Back
This equation indicates that for every unit increase in x (independent variable), y (pizza sales) increases by 1.5.
4.
FLASHCARD QUESTION
Front
How do you write a linear regression equation from data points?
Back
You can use statistical methods like least squares to find the best-fitting line, expressed as y = mx + b.
5.
FLASHCARD QUESTION
Front
What is the equation of the line of best fit for the given data if it is y = 4.19x - 163.41?
Back
This equation shows that for every unit increase in x, y increases by 4.19, starting from -163.41.
6.
FLASHCARD QUESTION
Front
What does the slope in a linear equation represent?
Back
The slope represents the rate of change of the dependent variable with respect to the independent variable.
7.
FLASHCARD QUESTION
Front
What is the meaning of the y-intercept in a linear equation?
Back
The y-intercept is the value of y when x is 0, indicating where the line crosses the y-axis.
Create a free account and access millions of resources
Similar Resources on Wayground
15 questions
Linear Regression

Flashcard
•
8th - 9th Grade
15 questions
Linear Regression & Scatterplots

Flashcard
•
8th - 9th Grade
15 questions
Linear Regression and Residuals - Using Desmos

Flashcard
•
9th Grade
15 questions
Algebra 1 Linear Regression Practice

Flashcard
•
9th Grade
15 questions
Linear Regression

Flashcard
•
9th Grade
15 questions
Linear Regressions

Flashcard
•
9th Grade
15 questions
Linear Regression and Inverse Function Review

Flashcard
•
9th Grade
15 questions
Linear Regression

Flashcard
•
8th - 9th Grade
Popular Resources on Wayground
10 questions
Lab Safety Procedures and Guidelines

Interactive video
•
6th - 10th Grade
10 questions
Nouns, nouns, nouns

Quiz
•
3rd Grade
10 questions
Appointment Passes Review

Quiz
•
6th - 8th Grade
25 questions
Multiplication Facts

Quiz
•
5th Grade
11 questions
All about me

Quiz
•
Professional Development
22 questions
Adding Integers

Quiz
•
6th Grade
15 questions
Subtracting Integers

Quiz
•
7th Grade
20 questions
Grammar Review

Quiz
•
6th - 9th Grade
Discover more resources for Mathematics
17 questions
Classifying Real Numbers

Quiz
•
8th Grade
20 questions
Order of Operations

Quiz
•
9th Grade
13 questions
8th - Unit 1 Lesson 3

Quiz
•
9th - 12th Grade
20 questions
Operations with Integers

Quiz
•
7th - 8th Grade
20 questions
Adding Integers

Quiz
•
6th - 8th Grade
10 questions
Literal Equations

Quiz
•
8th Grade
15 questions
Two Step Equations

Quiz
•
9th Grade
16 questions
Segment Addition Postulate

Quiz
•
10th Grade