Questions: What is the response variable in the study? Is the response variable qualitative or quantitative? A. The response variable is the number of the adolescents who have a cushioned desk chair in their bedroom. The response variable is quantitative. B. The response variable is whether the adolescent has a cushioned desk chair in the bedroom or not. The response variable is qualitative. C. The response variable is the body mass index of the adolescents. The response variable is quantitative. D. The response variable is the number of the adolescents who participate in the study. The response variable is quantitative. What is the explanatory variable? A. The explanatory variable is whether the adolescent has a cushioned desk chair in the bedroom or not. B. The explanatory variable is the number of the adolescents who have a cushioned desk chair in their bedroom. C. The explanatory variable is the number of the adolescents who participate in the study. D. The explanatory variable is the body mass index of the adolescents.

What is the response variable in the study? Is the response variable qualitative or quantitative? A. The response variable is the number of the adolescents who have a cushioned desk chair in their bedroom. The response variable is quantitative. B. The response variable is whether the adolescent has a cushioned desk chair in the bedroom or not. The response variable is qualitative. C. The response variable is the body mass index of the adolescents. The response variable is quantitative. D. The response variable is the number of the adolescents who participate in the study. The response variable is quantitative. What is the explanatory variable? A. The explanatory variable is whether the adolescent has a cushioned desk chair in the bedroom or not. B. The explanatory variable is the number of the adolescents who have a cushioned desk chair in their bedroom. C. The explanatory variable is the number of the adolescents who participate in the study. D. The explanatory variable is the body mass index of the adolescents.
Transcript text: What is the response variable in the study? Is the response variable qualitative or quantitative? A. The response variable is the number of the adolescents who have a cushioned desk chair in their bedroom. The response variable is quantitative. B. The response variable is whether the adolescent has a cushioned desk chair in the bedroom or not. The response variable is qualitative. C. The response variable is the body mass index of the adolescents. The response variable is quantitative. D. The response variable is the number of the adolescents who participate in the study. The response variable is quantitative. What is the explanatory variable? A. The explanatory variable is whether the adolescent has a cushioned desk chair in the bedroom or not. B. The explanatory variable is the number of the adolescents who have a cushioned desk chair in their bedroom. C. The explanatory variable is the number of the adolescents who participate in the study. D. The explanatory variable is the body mass index of the adolescents.
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Solution

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Solution Steps

To determine the response variable and whether it is qualitative or quantitative, we need to identify the main outcome that the study is measuring. The response variable is the variable that is affected by other variables. For the explanatory variable, we need to identify the variable that explains or influences the response variable.

Solution Approach
  1. Identify the response variable from the given options.
  2. Determine if the response variable is qualitative (categorical) or quantitative (numerical).
  3. Identify the explanatory variable from the given options.
Step 1: Identify the Response Variable

The response variable in the study is the body mass index (BMI) of the adolescents. This variable is quantitative, as it represents a numerical measurement that can vary among individuals.

Step 2: Determine the Nature of the Response Variable

Since the body mass index is a numerical value that can be measured and analyzed statistically, it is classified as a quantitative variable.

Step 3: Identify the Explanatory Variable

The explanatory variable in this study is whether the adolescent has a cushioned desk chair in the bedroom or not. This variable is qualitative, as it categorizes individuals based on the presence or absence of a specific condition.

Final Answer

The response variable is the body mass index of the adolescents, which is quantitative. The explanatory variable is whether the adolescent has a cushioned desk chair in the bedroom or not.

Thus, the answers are:

  • Response Variable: \( \text{BMI} \) (quantitative)
  • Explanatory Variable: \( \text{Cushioned Desk Chair Presence} \) (qualitative)

\(\boxed{\text{Response Variable: BMI (quantitative), Explanatory Variable: Cushioned Desk Chair Presence (qualitative)}}\)

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