Determine which table has a non-linear association by graphing it on a scatterplot.(1 point)

Responses

x
2 5 7 9 3 1 4 8 6 10
y
60 75 80 95 65 50 70 82 78 100
x 2 5 7 9 3 1 4 8 6 10 y 60 75 80 95 65 50 70 82 78 100

x
2 5 7 9 3 1 4 8 6 10
y
60 75 90 97 65 50 70 60 78 100
x 2 5 7 9 3 1 4 8 6 10 y 60 75 90 97 65 50 70 60 78 100

x
60 75 80 95 65 50 70 82 78 100
y
2 5 7 9 3 1 4 8 6 10
x 60 75 80 95 65 50 70 82 78 100 y 2 5 7 9 3 1 4 8 6 10

x
2 5 7 9 3 1 4 8 6 10
y
60 75 80 65 22 59 86 100 25 97

1 answer

To determine which table has a non-linear association, we can analyze and graph each set of \(x\) and \(y\) values on a scatterplot. A non-linear association would show data points that do not follow a straight line trend.

Let's summarize the four datasets in a clearer format before evaluating them:

  1. Dataset 1:

    • \(x: 2, 5, 7, 9, 3, 1, 4, 8, 6, 10\)
    • \(y: 60, 75, 80, 95, 65, 50, 70, 82, 78, 100\)
  2. Dataset 2:

    • \(x: 2, 5, 7, 9, 3, 1, 4, 8, 6, 10\)
    • \(y: 60, 75, 90, 97, 65, 50, 70, 60, 78, 100\)
  3. Dataset 3 (flipped):

    • \(x: 60, 75, 80, 95, 65, 50, 70, 82, 78, 100\)
    • \(y: 2, 5, 7, 9, 3, 1, 4, 8, 6, 10\)
  4. Dataset 4:

    • \(x: 2, 5, 7, 9, 3, 1, 4, 8, 6, 10\)
    • \(y: 60, 75, 80, 65, 22, 59, 86, 100, 25, 97\)

Analysis:

  1. Dataset 1 - When plotted, this data appears to show a general upward trend. Therefore, it likely has a linear association.

  2. Dataset 2 - The values of \(y\) seem to increase, but there is an outlier at \(y = 60\) when \(x = 4\) and at \(y = 50\) when \(x = 1\). This might also suggest a non-linear relationship.

  3. Dataset 3 (flipped) - Since it's simply the axes swapped, the relationship is reversed but still linear.

  4. Dataset 4 - The \(y\) values show a more significant variation, with \(y\) dropping noticeably for \(x = 3\) and having other irregularities. The graph of this data set may produce a more scattered appearance, indicating a non-linear association.

Conclusion:

From the explanations above, Dataset 4 appears to have the most prominent non-linear association due to irregular fluctuations in \(y\) values when compared to \(x\). A scatterplot of this data would likely yield a scatter where data points do not conform to a straight line.