A research is carried out to determine the link between the electricity bill of a home and the number of pets it has. The response variable is:
Bivariate: Association and Regress Line

Quiz
•
Mathematics
•
11th Grade
•
Hard

Jeremy Chen
FREE Resource
16 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
ordinal.
quantitative.
the number of pets in the home.
the electricity bill.
the home's electricity usage.
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In a study to determine if the number of hours spent on homework affects final grades in high school biology, which of the following statements is incorrect?
The response variable is the final grade.
The explanatory variable is the number of hours spent on homework.
The grade is ordinal (like A, B, C, D, E)
The response variable is numerical.
The explanatory variable is numerical.
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Observing a significant correlation between a nation's Gross Domestic Product (GDP) per capita and its energy consumption per capita, one might infer that:
raising a nation's energy consumption will directly boost its GDP per capita.
lowering a nation's energy consumption is a sure way to increase its GDP per capita.
the observed correlation is random and should not be considered in policy making.
nations with higher GDP per capita values are likely to exhibit higher energy consumption per capita.
nations with higher GDP per capita values are likely to exhibit lower energy consumption per capita.
4.
OPEN ENDED QUESTION
2 mins • 1 pt
Is it logical to conduct a research where the secondary variable is considered as the explanatory variable? Provide a justification for your response.
Evaluate responses using AI:
OFF
5.
OPEN ENDED QUESTION
2 mins • 1 pt
If a group of high school students were observed, what other factor could explain the relationship between their heights and weights?
Evaluate responses using AI:
OFF
6.
GRAPHING QUESTION
3 mins • 1 pt
Draw the line of good fit based on the scatterplot.
7.
CLASSIFICATION QUESTION
2 mins • 1 pt
Describe the scatterplot's characteristics in terms of its direction, shape, and the strength of the relationship.
Groups:
(a) direction
,
(b) shape
,
(c) strength
linear
negative
weak
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