distributions day # 15€¦ · charts & graphs project description ch. 1 one-pager ch. 2...
TRANSCRIPT
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Intro to Sampling DistributionsThursday, February 13, 2020● 7.1 What’s the average score?● 7.1 What’s the real average?
AP StatisticsDAY # 15
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New Seats.
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5
112/3
Quiz! ● Finish Skittles● Quiz 6.2 & 6.3
READ: catch up on reading.
READ: noneDO: Finish CW
● Review FRAPPY ● Ch.6 GO’s● Ch.6 Carousel14 2/11 Ch.6 Review
Ch 5/6 Exam Tuesday
122/4
Geometric Distributions
● Bottle FlipREADpg 404→410DO: ch.6 #93,95,97,99, & 101→104 all
132/6
Geometric Distributions
● Finish 6.3● FRAPPY!’s
READ: noneDO: Ch.6 review
READ: pg.424 → 435 DO: Study for Ch.5-6 test
● What’s the average?15 2/13 Sampling
Distributions
6
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Formulas & TablesCh. 1 Learning Plan
Ch. 2 Learning Plan
Charts & Graphs Project DescriptionCh. 1 One-Pager
Ch. 2 One-Pager
Ch. 3 Learning Plan
Ch. 4 Learning PlanCh. 3 One-Pager
Nothing new!
Ch. 4 One-PagerCh. 5 Learning Plan
Ch. 5 One-PagerFinal Exam Study Guide
Final Exam Review PacketApplebees “OR” vs. Starbucks “OR”Ch. 5 Probability Review Ch. 6 Rules for Means and Variances Ch.6 1-pager
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7
Ch. 7 Sampling Distributions
1 What’s the average? (7.1 part 1) 2/13
Nothing new!
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6
Your name.
Thursday 2/13/20 B 5/6
Marti decides to keep placing a $1 bet on number 15 in consecutive spins of a roulette wheel until she wins. On a spin, there’s a 1 in 38 chance that the ball will land in the 15 slot.
a. How many spins do you expect it to take for Marti to win?
b. Would you be surprised if Marti won in 3 or fewer spins? Compute an appropriate probability to support your answer.
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Announcements:● Ch.5 & 6 Test next Tuesday 2/18
○ Ch.6 Review in textbook (assigned last week)○ Review “Important Ideas” from CW○ Make Ch.6 1-pager (based on ↑ notes & book)○ Do Ch.6 Carousel (Lunch or after school
today, on the class website, on instagram.)
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● It is a requirement of this course that you enroll in remind. ○ You choose how: Text,
Email, or App○ Code is on your
syllabus and on the class website.
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Stamps!● B-Page #5/6
● C-page #1 Late work?
● C-Page #1 or #2???
● C-Page #3???
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You need:● Pencil● Calculator● WORKSHEET:
What’s the average?
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What’s the average on the Ch.6 test?
Learning Intentions:I will be able to:
● Distinguish between a parameter and a statistic.
● Create a sampling distribution using all possible samples from a small population.
● Distinguish among the distribution of a population, the distribution of a sample, and the sampling distribution of a statistic.
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Work w/ your team to answer the questions.
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Get out a pen to annotate your work.
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7.1 Sampling Distributions
Parameters & Statistics:
Statistic: a number that describes a sample.
Parameter: a number that describes a population.
IMPORTANT IDEAS:Sampling Distribution:Shows the statistic found in all possible samples of size n.
Sampling Distribution
The stat. from one sample
Population Distribution:Shows all values from the population.
Mean Prop. SD
Parameter μ p 𝞼Statistic x̄ p̂ s
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Notation is important.
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Do check for understanding.
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A sampling distribution is the distribution of … We made a samp.dist. of test scores by ...
The graphs from the Beyonce activity show what it means to be a “biased” or “unbiased” estimator because…
Symbols are very specific, for example ….
Choose 1 or 2.
TURN THIS IN TODAY!
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Clean up!!● Put classwork in binder● Pack up your stuff● Put away supplies & clean your area● Straighten desks
● Stay seated w/ backpack off until you’re dismissed