Bivariate Statistics Review

Describe the correlation. r = 0.3

• Strong, positive

• Weak, positive

• Strong, negative

• Weak, negative

Tags

CCSS.HSS.ID.B.5

Describe the correlation:

r = -0.98

• Strong positive

• Weak positive

• Strong negative

• Weak negative

Tags

CCSS.HSS.ID.B.5

The correlation coefficient is a number "r" such that: 

• -1<r<1
• -1>r>1
• -1≤r≤1
• -1≥r≤1

Tags

CCSS.HSS.ID.C.8

What type of association does this graph have?

• positive
• negative
• none
• all of the above

Tags

CCSS.HSS.ID.B.5

Describe a correlation with a coefficient of r=0.3

• Strong positive

• Weak positive

• Strong negative

• Weak negative

Tags

CCSS.HSS.ID.B.5

Which scatter plot diagram shows the strongest negative correlation?

• 
• 
• 
• 

Tags

CCSS.HSS.ID.B.5

• -3

• -13

• -9

• -20

Tags

CCSS.HSS.ID.B.6B

• -5.17

• 18.45

• 1.59

• -11.21

Tags

CCSS.8.EE.C.8C

• 28.5

• -21.5

• -14

• 4.5

Tags

CCSS.8.EE.C.8C

Two Way table shows the results of a survey where high school students were asked if they have a curfew. Use the table to answer the following questions

How many total freshmen were asked?

• 104

• 83

• 151

• 47

Tags

CCSS.8.SP.A.4