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Statistical Questions

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Bianca Damato

on 10 May 2014

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Transcript of Statistical Questions

If it does, than it is a statistical question!
STATISTICAL QUESTIONS
CRiteria of a Statistical Question
Writing A Statistical QUestion
END GOALS
A Statistical QUestion is....
Criteria for a statistical Question
1.) How many students at Sennett have a first name that begins with "M"?

2.) How many inches tall are sixth grade students at Sennett?


If you think the question has one answer, write ONE
If you think the question has more than one answer write MANY

a statistical question involves a population of individuals or group of objects
6th graders, dogs, pizza

a statistical question focuses on a specific detail of that population or group
height, weight, price

You expect the question would have multiple answers (variability)


You expect the question would have multiple answers (
variability
)
How many inches tall are sixth grade students at Sennett?
Elsa 60 inches
Jane 62 inches
Annie 59 inches
Alex 66 inches
Variability means the data we collect will
be different
Turn and talk: Is there variability in this data?
Involves a
population
of individuals or
group
of objects
Sixth Graders
START
involves a
population
of individuals or
group
of objects

focuses on a
specific detai
l of that population or group

you expect the question would have multiple answers (
variability
)

If it does, than it is a statistical question!
Criteria
1.)
How many Americans own at least one German Shephard?

2.)
How much do German Shephard
adult dogs weigh?

3.)
How much does my German Shephard puppy weigh?

Now you Try it!
Think about the criteria we discussed before writing the question
What
population
or
group
would you like to focus on?

Which
specific detail of that population
or
group
would you like to focus on?

You expect the question would have multiple answers (
variability
)

1.)
At what age do Americans own a home?

2.)
How many Americans own a home?

3.)
How many people own homes?

Watch me do it...
involves a
population
of individuals or
group
of objects

focuses on a
specific detai
l of that population or group

you expect the question would have multiple answers (
variability
)

Criteria
Writing A Statistical QUestion
Think about the criteria we discussed before writing the question
What population or group would you like to focus on?

cats

Which specific detail of that population or group would you like to focus on?

number of offspring

You expect the question would have multiple answers (variability)

yes, because I have heard of
cats having different amounts of
kittens in each litter


Writing A Statistical Question
What population or group would you like to focus on?

cats

Which specific detail of that population or group would you like to focus on?

number of offspring

You expect the question would have multiple answers (variability)

yes, because I have heard of
cats having different amounts of
kittens in each litter


Statistical Question: How many kittens do adult mother cats have in each litter?
1.) Distinguish between a statistical question
and a non-statistical question.

2.) Create a statistical question
using writing.
Now You try Writing a
Statistical Question
Think about the criteria we discussed before writing the question
What
population or group
would you like to focus on?

Which
specific detail of that population or group
would you like to focus on?

You expect the question would have multiple answers (
variability
)

dogs
Focuses on a
specific detail
of that population or group
Sixth Graders
dogs
height
weight
definition: a numerical fact, especially one found from a sample population.
WHat is Statistics?
CRITERIA FOR A STATISTICAL QUESTION
Turn and Talk:•Why would we ask a question about a population of individuals or objects that (most likely) has more than one answer?
Turn and Talk: Work with A partner
to determine the following
Turn and Talk: What does "distinguish" mean?
To distinguish between a statistical question and a non-statistical question you would ask: Does the question meet the criteria we discussed?
To distinguish between a statistical question and a non-statistical question you would ask: Does the question meet the criteria we discussed?
pizza
pizza
price
Full transcript