AnswersFL-1200710-Mathematics for College Algebra ASolving Quadratic Equations: Square Root Property

Strength of Correlation Answers

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4

Which relationships would most likely be causal? Select two options.a negative correlation between the temperature and the amount of snow still on the grounda negative correlation between the number of digital photos uploaded to a website and the amount of storage space that is lefta positive correlation between the length of the side of a pool and its deptha positive correlation between the height of a woman and the height of her brothera negative correlation between the volume of water in a pot and the amount of time that the water takes to boil

A
a negative correlation between the temperature and the amount of snow still on the ground
B
a negative correlation between the number of digital photos uploaded to a website and the amount of storage space that is left
C
a positive correlation between the length of the side of a pool and its depth
D
a positive correlation between the height of a woman and the height of her brother
E
a negative correlation between the volume of water in a pot and the amount of time that the water takes to boil
9

The number of grams of zero-calorie sodium in a restaurant meal is compared to the total number of calories in the meal. The correlation coefficient relating the two variables is 0.74.

A
It is a weak positive correlation, and it is not likely causal.
B
It is a weak positive correlation, and it is likely causal.
C
It is a strong positive correlation,and it is not likely causal.
D
It is a strong positive correlation, and it is likely causal.
10

Which graph shows data whose r-value is most likely closest to 0?

A
A graph shows both axes unnumbered. Points show a downward trend.
Option A
B
A graph shows both axes unnumbered. Points show an upward trend.
Option B
C
A graph shows both axes unnumbered. Points show a downward trend.
Option C
D
A graph shows both axes unnumbered. Points are scattered all over the graph.
Option D

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