Integrated Math 1 Chapter 5

Describe the association of the scatter plot. Make sure you answer includes ALL possible descriptions.

• linear, weak positive

• linear, strong negative

• linear, strong positive

• moderate positive

Above is the table of data regarding the cherry blossom trees in Washington D.C. Make a scatter plot of the given data. Is the correlation of the data:

• Negative

• Positive

Which relationship is shown by this scatter plot?

• As the cost goes down, the number sold goes down.

• As the cost goes up, the number sold goes down.

• As the cost goes down, the number sold remains the same.

• There is no relationship between cost and the number sold.

Which graph represents the correlation of its given situation correctly?

• 
• 
• 
• 

What correlation coefficient best represents the scatter plot?

• $r=0.1$

• $r=0.09$

• $r=1$

• $r=0.85$

Estimate the correlation coefficient for this scatterplot.

• A) r = 1.2

• B) r = 0.89

• C)r = 0

• D) r = -0.89

Estimate the correlation coefficient for this scatterplot.

• A) r = -0.9

• B) r = 1

• C) r = 0.9

• D) r = -1

What are the next 3 terms in this sequence of terms? 3, 7, 11, 15

• 18, 22, 26
• 19, 21, 23
• 19, 23, 27
• 18, 21, 24

Find the common ratio of the geometric sequence:      -2, -4, -8, -16, . . . 

• -2
• 2
• 4
• -4

For each sequence, state if it is arithmetic, geometric, or neither.
−34, −26, −18, −10, −2, ... 

• Arithmetic
• Geometric
• Neither