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The x-axis represents a student's age in years and the y-axis represents the number of times the student cried each month on average.

Which of these vocabulary words can be used to describe the data represented in the scatterplot? Choose all that apply.

(3 points)
Responses

Proportional
Proportional

Positive trend
Positive trend

Univariate
Univariate

Bivariate
Bivariate

Decreasing
Decreasing

Linear trend
Linear trend

Increasing

1 answer

To describe the data represented in the scatterplot, the following vocabulary words can be applicable:

  1. Bivariate - The scatterplot represents two variables: age and the number of times a student cried each month.
  2. Positive trend - If the data shows that as age increases, the number of times a student cried each month increases, this would indicate a positive trend.
  3. Linear trend - If the relationship between age and crying frequency can be approximated with a straight line, this would suggest a linear trend.
  4. Increasing - If the number of times a student cried each month increases with age, this term can be used.

The following words are not applicable based on the typical interpretation:

  • Proportional - This implies a constant ratio between the two variables, which isn't explicitly determined from the description.
  • Univariate - This refers to a single variable, whereas the scatterplot represents two (age and crying frequency).
  • Decreasing - This would be applicable if the data showed that as age increases, the number of times cried decreases, which is not indicated in the question.

So, the applicable terms would be Bivariate, Positive trend, Linear trend, and Increasing.