Topic Category: ACT (Science)

Introduction to Correlation

What is Correlation? If you have never heard of the word “correlation,” can you find a word that you recognize within it? Perhaps the word “relation” might catch your eye. A correlation is the fancy term in statistics that is used to describe the relationship between two variables.  You can find the correlation, or the …

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Making Sense of Tables

Let’s say after reading the results from the observational study in Practice Passage #1, Greendale High School asked the scientists to repeat the study, but this time also measuring total cholesterol and LDL-cholesterol from the women’s varsity teams as well. Instead of looking at all five sports, only three sports teams were studied. The data …

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Summary Statistics

Types of Summary Statistics Have you ever looked up and read the summary of a book you had to read for your literature class? Don’t worry, we won’t tell anyone. Summaries are useful because you can get the main points of the book without having to read the whole book. Summary statistics serve the same purpose …

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Introduction to Tables

Now that you are armed with some basic understanding of what exactly is being compared, it is time to actually look at the data. Humans are habitual creatures and we live by patterns. The world is full of patterns, and we have been exceptionally good at spotting them and describing them. Mathematics, physics, chemistry, biology… …

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Comparing Groups – Practice #3

Instructions: Read the study below keeping in mind our three main tips for “reading with purpose”. After you’ve read the passage try and answer the three questions: 1. Which groups are being compared? 2. Which metrics (characteristics/properties) of the groups are being compared? 3. Is this an observational study or an experimental study? COVID-19 The …

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Comparing Groups – Practice #2

Let’s try another practice. Practice Passage #2 is from a real study conducted by real scientists from the Netherlands, and I’ll be honest, the topic might sound a little silly. Be sure to keep in mind the three things you want to look for even if you do not understand every single word. Instructions: Read …

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Comparing Groups – Practice #1

Read the study below, keeping in mind our three main tips for “reading with purpose”. After you’ve read the passage, try and answer the three questions:  Reading with Purpose 3 Main Questions: Which groups are being compared?  Which metrics (characteristics/properties) of the groups are being compared? Is this an observational study or an experimental study? …

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