NCM1 Warm Up 3/18/24

What letter do we use to represent correlation coefficient?

• c
• r
• p
• h

Tags

CCSS.HSS.ID.C.8

Data is analyzed comparing hours studied and grades. It is determined that the correlation coefficient is 0.92. What does this mean?

• There is a strong positive correlation between studying and grades.

• There is a strong negative correlation between studying and grades.

• There is a weak positive correlation between studying and grades.

• There is a weak negative correlation between studying and grades.

Tags

CCSS.HSF.LE.B.5

The linear regression equation is y = 61.93x - 1.79.  Use the equation to predict how far this person will travel after 10 hours of driving.

• 10 miles
• 617.5 miles
• 0.19 miles
• 500 miles

|x - 6|= 14

• x = 8

• x = 20

• x = -8 or x = 20

• No Solution

How many solutions are there?

• 0

• 1

• 2

• 3

What are the roots of (6r-1)(r+5)=0?

• r= 1 and r= 5

• r= 6 and r= 0

• r= - 1/6 and r= 5

• r= 1/6 and r= - 5

Tags

CCSS.HSA-REI.B.4B