A2 Quizzizz #4 Statistics

Does this scatter plot have negative relationship or positive?

• No
• Positive
• Negative
• Non Linear

What type of relationship does this graph have?

• strong/positive
• strong/negative
• weak/positive
• weak/negative

If a scatterplot has the correlation coefficient r = -0.89, what type of relationship do the two variables have?

• Strong positive 
• Weak positive 
• Strong negative 
• Weak negative 

If a scatterplot has the correlation coefficient r=0.3, what type of relationship do the two variables have?

• Strong positive 
• Weak positive
• Strong negative
• Weak negative 

Estimate the correlation coefficient.

• r=0
• r=-1
• r=1
• r=2

Describe the correlation in the graph shown.

• Strong Negative
• Strong Positive
• Weak Negative
• Weak Positive

Find the equation of the line of best fit for this table.

• y = -0.18x + 6.47
• y = 6.47x - 0.18
• y = 0.04x - 0.19
• y = -0.18x - 0.19

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

Find the equation of the line of best fit for this table.

• y = -2.28x + 51.08
• y = 51.08x - 2.28
• y = 0.06x - 0.26
• y = -2.28x - 0.26

Tags

CCSS.HSA.CED.A.2

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.7

What is the standard deviation for the data given:
5, 10, 7, 12, 0, 20, 15, 22, 8, 2

• 6.89
• 10.1
• 7.26
• 9

Find the median of these numbers:
4, 2, 7, 4, 3

• 2
• 5
• 7
• 4