In math, we will learn about Stem and Leaf plots Monday. We will review all the ways we discussed to organize data on Tuesday so we can be ready for a quiz Wednesday. Here is what you will need to know for your quiz:
Ways
to Organize Data:
Bar Graph- displays data
with vertical or horizontal bars.
Used to compare data.
Line Graph- displays data with a series of plot
connected by straight lines. Used
to show change over time.
Frequency
Table- organizes data with
intervals
Histogram- a bar graph that
shows the number of values that occur within each interval
Line
Plot- shows the frequency of data on a number line
Tally Table- shows data as a series of tallies on a table.
Stem and Leaf Plot- show how often data values occur and how they are distributed.
Other info. to know:
Mode: The piece of data that appears most often in a set.
Outlier: Data that does not follow a given trend (seems “out of place”)
ALL GRAPHS MUST INCLUDE A TITLE AND APPROPRIATE LABLES AND KEYS. PLEAE BE ABLE TO READ AND MAKE EACH OF THESE GRAPHS.
We will be finishing up our work on the rock cycle this week, also. Please be sure to complete at least three choices from your "Hard Rock Cafe" menu. It will be due Friday. In addition, we will have a quiz on the rock cycle this Friday. Please know the following for the quiz:
Types of Rocks
Igneous
Rocks- form when hot, liquid rock (magma) cools and solidifies
Extrusive igneous rock- forms from
magma that erupts onto theearth’s surface. It is common around volcanoes. It cools quickly on the surface and
contains very small or no crystals.
Intrusive
igneous rock- forms when magma cools below the earth’ssurface. The magma cools slowly and forms large, visible crystals.
Sedimentary Rocks- form at
or near the Earth’s surface. It
forms without the
heat and pressure that are
involved in the formation of igneous or metamorphic rocks. Formed of weathered rock/mineral
fragments, crystallized minerals, or from the remains of once-living plants and
animals.
Metamorphic Rocks- Forms
when rocks are exposed to intense heat,
pressure, or a
combination of both.
Contact
metamorphism- When a rock changes to a metamorphic rock
through heating from nearby magma
Regional
metamorphism- When a rock changes to metamorphic rock due to the pressure from the Earth above it.
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