1.3 Visualizing Trends In Data

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| By Jensenmath9
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Jensenmath9
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Quizzes Created: 7 | Total Attempts: 4,033
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  • 1/7 Questions
    In the following graph, what type of correlation is indicated? - ProProfs

    In the following graph, what type of correlation is indicated?

    • Strong positive
    • Strong negative
    • Weak positive
    • Weak negative
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1.3 Visualizing Trends In Data - Quiz
About This Quiz

Explore the concept of correlation and trends in data in the '1.3 Visualizing Trends in Data' quiz. Assess your understanding of positive, negative, and no correlation through graphical analysis and theoretical questions, enhancing your data interpretation skills.

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  • 2. 
    In the following graph, what type of correlation is indicated? - ProProfs

    In the following graph, what type of correlation is indicated?

    • Strong positive

    • Strong negative

    • Weak positive

    • Weak negative

    Correct Answer
    A. Weak positive
    Explanation
    The graph indicates a weak positive correlation, meaning that there is a slight upward trend in the relationship between the variables. As one variable increases, the other variable also tends to increase, but the relationship is not very strong.

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  • 3. 

    The variables student height and grade in mathematics have

    • A positive correlation

    • A negative correlation

    • An inverse correlation

    • No correlation

    Correct Answer
    A. No correlation
    Explanation
    The statement suggests that there is no correlation between student height and grade in mathematics. This means that there is no consistent relationship between these two variables. In other words, knowing a student's height does not provide any information about their grade in mathematics, and vice versa.

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  • 4. 

    The amount of time spent studying for a math test and the mark achieved would most likely exhibit

    • A positive correlation

    • A negative correlation

    • No correlation

    • A dependent trend

    Correct Answer
    A. A positive correlation
    Explanation
    The given correct answer suggests that there is a positive correlation between the amount of time spent studying for a math test and the mark achieved. This means that as the amount of time spent studying increases, the mark achieved also tends to increase. In other words, students who spend more time studying for the math test are more likely to achieve higher marks.

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  • 5. 

    A line of best fit

    • Must pass through the origin

    • Must pass through the median of the data

    • Must have a positive slope

    • Represents the trend of the data

    Correct Answer
    A. Represents the trend of the data
    Explanation
    A line of best fit represents the trend of the data. It is a line that is drawn on a scatter plot to show the general direction or pattern of the data points. The line is placed in such a way that it minimizes the overall distance between the line and the data points. This helps to identify any underlying relationship or trend between the variables being plotted. The line of best fit does not necessarily have to pass through the origin, the median of the data, or have a positive slope. It is simply a tool to visually represent the overall trend in the data.

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  • 6. 

    Two variables have a strong negative correlation. Which of the following statements is not true?

    • The dependent variable decreases as the independent variable increases

    • The trend of the data exhibits an irregular decline

    • The line of best fit has a negative slope

    • Most data points lie close to the line of best fit

    Correct Answer
    A. The trend of the data exhibits an irregular decline
    Explanation
    The statement "the trend of the data exhibits an irregular decline" is not true. A strong negative correlation means that as the independent variable increases, the dependent variable decreases consistently. Therefore, the trend of the data would exhibit a regular decline, not an irregular one.

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  • 7. 

    What type of correlation would exist between the number of hotdogs that a vendor sells and the price charged per hotdog?

    • Positive correlation

    • Negative correlation

    • No correlation

    • Quadratic correlation

    Correct Answer
    A. Negative correlation
    Explanation
    A negative correlation would exist between the number of hotdogs that a vendor sells and the price charged per hotdog. This means that as the price charged per hotdog increases, the number of hotdogs sold would decrease. Conversely, if the price charged per hotdog decreases, the number of hotdogs sold would increase. This suggests that there is an inverse relationship between the two variables, indicating a negative correlation.

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  • Current Version
  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Jan 20, 2014
    Quiz Created by
    Jensenmath9
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