Line of Best Fit Answers

11 verified answers2 views
1
Free Preview

Which scatterplot shows no correlation?

A
[Image: A graph with both axes unnumbered. A scattered lin...]
Option A
B
[Image: A graph with both axes unnumbered. A scattered lin...]
Option B
C
[Image: A graph with both axes unnumbered. A short scatter...]
Option C
D
[Image: A graph with both axes unnumbered. A line zig zags...]
Option D
3

✔ 149

A
✔ 1
B
4
C
9
84417

⇒ 4.6

Answer:

84417

84418

Which scenarios have a negative correlation? Check all that apply.

A
the number of calories consumed and the amount of weight lost by a person
B
the temperature outside and the number of pool guests
C
the number of children assigned to a class and the number of desks
D
the price of rice and the number of penguins at the South Pole
E
the thickness of the ice on a lake and the likelihood of falling through the ice
84419

Which table shows a positive correlation?

A
[Image: A 2-column table with 5 rows. The first column is ...]
Option A
B
[Image: A 2-column table with 5 rows. The first column is ...]
Option B
C
[Image: A 2-column table with 5 rows. The first column is ...]
Option C
D
[Image: A 2-column table with 5 rows. The first column is ...]
Option D
84421

What type of correlation exists between the temperature and the number of fruit bars sold?

Answers:
Selection 1:positive
There are approximately more fruit bars sold for every degree(s) the temperature rises.:2.2
There are approximately more fruit bars sold for every degree(s) the temperature rises.:1
84422

What type of correlation exists between the temperature and the number of fruit bars sold?

Answers:
Selection 1:positive
There are approximately more fruit bars sold for every degree(s) the temperature rises.:2.2
There are approximately more fruit bars sold for every degree(s) the temperature rises.:1
84423

Which temperature values would an interpolation be limited to?

A
less than 3
B
between 3 and 60
C
between 20 and 80
D
greater than 55
84424

Kardal used the line of best fit to predict that a man 80 inches tall would wear about a size 16 shoe. What can be concluded about this prediction? Check all that apply.

A
The prediction is reasonable.
B
The prediction is an interpolation.
C
No data is given in the scatterplot for a height of 80 inches, but a shoe size can still be predicted.
D
A prediction cannot be made for a man who is 80 inches tall.
E
A man who is 80 inches tall will likely wear a size 12.5 shoe.

Did you find these answers helpful?