Unit 1 Populations and Samplings. Learning Map Unit 1. When you have checked over your test, staple it and place it in the turn in basket on the red chair. Take out a clean piece of notebook paper and do DPP L on the paper. You may rewrite the problems vertically. Let’s see what you know!.
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When you have checked over your test, staple it and place it in the turn in basket on the red chair.
Populations and Samples
WHAT IS A SURVEY???
Therefore : Number of pairs of high top sneakers is a numerical value
Numerical Variable- a question that has a number for the answer or value
Therefore, type of shoe is a categorical variable
Categorical variable- a question with words for the answers or values
1. Determine your question
2. Determine the variables
How many eyelets are on the shoes of the students in your class?
What are the variables?
Number of Eyelets
Number of Pairs of Shoes
data mode variable value graph categorical variable numerical variable
How many pets do you have in your home is an example of a ___________ ______
A __________ is a way to show information in a visual format.
________ is another word that describes information.
The most common number in a set of data is called the ______________________.
A ________________ is the question in a survey.
Blue would be a possible ___________________ for the variable, “what color are your eyes?
“What color are your eyes?” is a ______________ _______________.
In the real world, people create and analyze various data displays in order to draw conclusions about the data.
Unit Essential Question:
What makes a data representation useful?
represent a typical value in a
set of data.
1 is the mode
1, 4, 5, 7, 8, 10, 12
1+2+4+5=12/4=3 mean is 3
1. DIB side 2 #9-10
2. Check homework and warm-up
3. Review vocabulary- worksheet and chant
4. Read p. 10-11 and discuss #1-3
11. p. 11 #3