Statistics Semester Final

What direction does the graph trend if the independent variable (X) increases, the dependent variable (Y) increases

• Negative direction

• No clear direction

• positive direction

Which scatter plot shows a linear relationship between x and y?

• Graph A

• Graph B

• Graph C

• Graph D

What type of correlation (direction) does this scatter plot show?

• positive linear association

• negative linear association

• no association

• nonlinear association

What is the direction (correlation) of this scatter plot?

• Negative correlation

• No correlation

• Positive correlation

• All of the above

As the age of the car increases, its value decreases. Which scatterplot represents this relationship?

• A

• B

• C

• D

What type of correlation (direction) does this graph have?

• positive

• negative

• none

• all of the above

What would be the correlation between study time and test grades?

• positive
• negative
• none
• cannot be determined

Tags

CCSS.HSS.ID.B.6

CCSS.HSS.ID.C.8

CCSS.HSS.ID.C.9

What is the median of the data?

• $200

• $100

• $90

• $140

Which restaurant has a lower median wait time?

• Lucy's Steakhouse

• Gary's Grill

• They are the same

Which of the following best describes the process of finding the interquartile range for a set of data?

• Add the biggest and smallest numbers.
• Place the numbers in order from least to greatest and find the middle.
• Find the difference between the maximum and the minimum.
• Subtract Q1 from Q3.

Tags

CCSS.6.SP.A.3

CCSS.6.SP.B.5