data analysis

What is wrong with the graph above?

• It should be a bar graph.

• The format of the title is incorrect.

• The x-axis is missing units.

• It should be a pie chart.

Which statement is best supported by the graph?

• The percentage of male daily smokers increased the most between 1976 and 1980.

• Between 1977 and 1989, a greater percentage of daily smokers were female than male.

• The percentage of female daily smokers decreased every year from 1976 to 1991.

• Between 1984 and 1991, the percentage of male daily smokers decreased.

Which one of the following questions cannot be determined from the graph?

• The percentage of female smokers between 1976 and 1978.

• The gender of the groups in the survey.

• Percentages of male smokers between 1975 and 1991.

• The actual number of female smokers for any given year.

What is happening in the graph between 30 and 40 minutes?

• Sarah is accelerating
• Sarah is not moving
• Sarah is slowing down
• Sarah is travelling at a constant speed

What is the name of the vertical (up and down) axis of the graph? 

• X axis
• Y axis

What is the name of the horizontal (side to side) axis of the graph? 

• X axis
• Y axis

What would be the best scale for this data?
Days       Cm
  1            1.0
  2            3.5
  3            5.0
  4            8.5

• count by fives to 10
• count by tens to 100
• count by ones to 5
• count by ones to 10

What kind of information might go on the X axis?

• Independent Variable

• Dependent Varaible

How many more people own cats than dogs?

• 11

• 3

• 8

• 5

A line graph allows you to easily see:

• information about the parts related to the whole.
• the total number of each category.
• how much data occurs within a range of numbers.
• Changes or trends over time.