Scientific Graphing and Analysis

The variable that the scientist MEASURES is

• dependent variable (DV)

• independent variable (IV)

• control variable

• none of the above

When you have data that is qualitative (no numbers), what kind of graph should you use?

• Line

• Scatterplot

• Bar

• Pie

Which of the following is NOT a rule when scaling the axis of a graph?

• The graph should fill up the majority of the given space.

• The scale must use the exact values in the data table.

• The interval for the scale must stay consistent.

• Use a scale that most accurately shows your data.

Tags

NGSS.MS-PS3-1

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 statement is true according to the graph?

• A higher percentage of people smoke in 1990 than in 1975

• The percentage of smokers has not changed between 1975 and 1990.

• A higher percentage of people smoked in 1975 than in 1990.

• The graph does not show any trends between 1975 and 1990.

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

• The percentage of female smokers between 1976 and 1978.

• The ages of the groups in the survey.

• Percentages of male smokers between 1975 and 1991.

• The number of female smokers.

Tags

NGSS.HS-LS3-3

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

• X axis
• Y axis

Tags

NGSS.MS-PS3-1

What do we put at the top of a graph?

• X axis
• data table
• title 
• nothing

What do we use to pick the numbers for the scale? 

• whatever we want
• you must always count by tens
• use your data to pick the scale
• you don't need a scale