Introduction to Motion Answers
This graph has linear association.
What type of correlation is shown in the graph?
Missouri:
Virginia:
Which side did each of these states fight for during the Civil War?Choose “Union” or “Confederacy” from each drop-down menu.Illinois:
What advantages did the North have at the start of the Civil War?Check all of the boxes that apply.
Which graph could you use to make the most accurate prediction?
What is Tyrell’s predicted forearm length based on a size 9 shoe size?
Lincoln was very cautious to neither provoke war nor
In the scatterplots for both sets of data, the independent variable is .
The trend line shows negative✔ positiveno
The trend line shows negative✔ positiveno correlation.
Choose the true statements regarding the comparison of the two data sets. Check all that apply.
What kind of associations do you find if you compare the data set of IQ vs. GPA with the data set of IQ vs. SAT? Are GPAs and SAT scores correlated? Explain.
Both data sets (IQ vs. GPA and IQ vs. SAT) show a positive correlation and a strong association. Since IQ scores are positively correlated with both GPAs and SAT scores, it is likely that GPAs and SAT scores are also positively correlated with each other because they are both linked to the same common variable.
Which graph would result in a more accurate prediction?
Predict the GPA for someone with an IQ of 100.
Given these two data sets, IQ-GPA and IQ-SAT, how would you predict Justin’s SAT score based on his GPA? Explain.
To predict Justin's SAT score from his GPA, I would first use the trend line equation for the IQ-GPA data set to find the IQ score that corresponds to his specific GPA. Once I have that IQ value, I would use the trend line equation for the IQ-SAT data set to calculate the SAT score predicted for that IQ.
Georgia:
The equation of the trend line is .
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