Solve It! Association Frequency Slope Best Line

QUESTION: Solve for the given variable.
1/2x + 3 = 3/4x + 5
ANSWER:
X = -8

QUESTION: Solve for the given variable.
X/2 + X/6 = 7
ANSWER:
X = 10.5 or 10 ½

QUESTION: Solve for the given variable.
X/9 + 2X/2 = 1/3
ANSWER:
X = 3/10

QUESTION: Solve for the given variable.
2.1X + 0.6 = 17.4
ANSWER:
X = 8

QUESTION: Solve for the given variable.
3y/5 + 3/2 = 7y/10
ANSWER:
Y = 15

QUESTION: Describe the situation as Positive,
Negative, or No Association at all.
Going to the grocery store, and leaving with less money from what I started with.
ANSWER:
Negative Association

QUESTION: Describe the situation as Positive,
Negative, or No Association at all.
The amount of money a person has and how much they weigh.
ANSWER:
No Association

QUESTION: Describe the situation as Positive,
Negative, or No Association at all.
The amount of horsepower in your car and how fast your car will travel.
ANSWER:
Positive Association

QUESTION: Describe the situation as Positive,
Negative, or No Association at all.
The number of dogs you have and the amount of dog food you must buy.
ANSWER:
Positive Association

QUESTION: Describe the situation as Positive,
Negative, or No Association at all.
The number of minutes spent running and the level of hydration in your body.
ANSWER:
Negative Association

QUESTION:
What does frequency mean?
ANSWER:
How often something occurs within an interval or data set.

QUESTION: How do you calculate percent?
ANSWER:
Divide part over total

QUESTION: Calculate the percents for the following:
ANSWER:
6.7% 6.7% 6.7% 20% 0% 26.7%
13.3% 6.7% 13.3%

QUESTION: Analyze the following frequency table.
Find which height occurs most often. Calculate the %
ANSWER:
170 cm or 41%

QUESTION: Create a circle graph for the information.
ANSWER:

QUESTION: Solve for y. Tell me the slope.
5 y + 15x = 25
ANSWER: y = -3x + 5 The slope is -3/1

QUESTION: Write the equation for the following:
ANSWER: y = −2 x + 1

QUESTION: Write the equation for the line.
ANSWER:
Y = x + 3

QUESTION: Graph the following line:
y = 2x - 1
ANSWER:

QUESTION: Find the intersection point of the
following lines: y = 4x – 6 y = -2x + 3
ANSWER: (1.5,0)

QUESTION:
When graphing two variables, which axis is the independent and which is the dependent variable?
ANSWER:
The independent is the X axis
The dependent is the Y axis

QUESTION: Does the following graph have a strong, moderate, or weak/no association. Be ready to explain your answer.
ANSWER:
Moderate

QUESTION: This is a piece of data that doesn’t fit the given data set. What do we call this?
ANSWER:
An outlier

QUESTION: Fully describe the scatter plot. Make sure to include direction and strength of association.
ANSWER:
Strong & Positive

QUESTION: Fully describe the scatter plot. Make sure to include direction and strength of association.
ANSWER:
Negative & No
Association