Answers NM-Biology A Summer SchoolCollecting and Organizing Data

Collecting and Organizing Data Answers

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Jim’s heart rate was monitored during periods of exercise and periods of rest. The graph shows the result of one 50-minute test.Which statement is an inference that can be made by using the graph?

Jim’s heart rate was 60 beats per minute at the start of the test.

Jim’s maximum heart rate during the test was 140 beats per minute.

Jim’s heart rate increased steadily as he continued exercising.

Jim’s heart rate decreased quickly after 30 minutes since he is in good shape.

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Dan gave five sunflower seedlings each a different type of fertilizer. He measured the initial and final heights of each plant after a month, then calculated the total growth of each one in centimeters. Which is the best method for visually representing the data for comparison?

bar graph

pie graph

data table

Venn diagram

Tonya plans to use the lab instrument that is shown below in an experiment.Which property of matter does the instrument measure?

mass

volume

density

temperature

Which type of data is qualitative data?

heights in meters

volumes in milliliters

calculations of density

descriptions of behavior

Where in a data table should units of measurement be shown?

in a separate column after the column of data values

in parentheses, in the title of the table

in the headings of columns that list the data values

in a note next to an asterisk, below the table

Professor Tan studies water quality in streams near chemical plants. Which is a type of qualitative data that Professor Tan should record during these studies?

the pH of the water

any occurrences of unusual odors

the oxygen concentration of the water

any changes in sizes of fish population

LeeAnn wants to organize her data from researching the effect of hours of sunlight on plant growth to see if there is a trend in the data. Which would be the best way for LeeAnn to display her data for analysis so she can make predictions about the amount of light needed for maximum growth?

in a line graph

in a data table

in a bar graph

in a pie graph

Some tools have various levels of graduations. For example, a ruler may have graduations for both millimeters and centimeters. When measuring the length of an earthworm, which graduations would allow for the most accurate measurement?

millimeters

centimeters

decimeters

meters

This graph shows how tall five types of trees were after they grew for 10 years. Which statement correctly describes the data shown in the graph and the type of observation used?

The gingko tree grew 14 feet; this is a qualitative observation.

The bur oak tree’s growth rate averaged 2.5 feet per year; this is a quantitative observation.

The bur oak tree is twice the height of the ash tree; this is a qualitative observation.

The Norway spruce grew more slowly than the sycamore every year; this is quantitative data.

Which is usually the best way to present or communicate inferred data?

in a bar graph

in a data table

in a simple diagram

in a written paragraph

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