M6L10-13

Using the points (6,70) & (9,95), what is the line of best fit equation?

• y = 8.3 x + 20
• y = -8.3 x + 20
• y = 8.3 x + 60
• y = -8.3 x + 60

Tags

CCSS.8.EE.C.8C

What relationship is shown in the 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 not relationship between cost and the number sold.

Tags

CCSS.HSS.ID.B.5

A keyboarding instructor at a community college collected data comparing a student's age and their typing speed. The equation for the line of best fit is given as:
y = -1.4x + 117.8
If you are 25 years of age (x), what is your typing speed (y)?

• 153 words per minute
• 83 words per minute
• 63 words per minute
• 102 words per minute

Tags

CCSS.HSF.LE.B.5

Which is NOT an example of categorical data?

• gender
• hair color
• academic level
• amount of money one makes

Data points that are far away from most other points

• Cluster
• Outlier
• Correlation
• Scatter Plot

Tags

CCSS.8.SP.A.1

A veterinarian student tracks the weight of a kitten, in ounces, from the age of 0 to 32 weeks. She graphs the data and determines the line of best fit is y = 4.03x + 3.27. What does the y-intercept represent in this situation?

• The kitten weighs 3.27 ounces when it's born.
• The kitten weighs 4.03 ounces when it's born.
• The kitten gains 3.27 ounces a week.
• The kitten gains 4.03 ounces a week.

Tags

CCSS.HSF.LE.B.5

• 560
• 295
• 760
• 855

Tags

CCSS.8.SP.A.4

• 20
• 55
• 35
• 85

Tags

CCSS.8.SP.A.4

• Positive Association
• Negative Association
• No Association
• Non-Linear Association

Tags

CCSS.HSS.ID.B.5

If a line of best fit models the data very well, what would you expect to see in a graph of the data and the line?

• The line connects a lot of the points.
• The line is underneath all the points.
• The line is non-linear.
• The line is close to all the points.

Tags

CCSS.8.SP.A.2