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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. 5y + 15x = 25 ANSWER: y = -3x + 5 The slope is -3/1 QUESTION: Write the equation for the following: ANSWER: y = −2x + 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