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Wednesday 1/12/22

1/12/2022

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Objective

Develop a null and alternative hypothesis for a real world study.

Starter

Complete: Is There a Difference Starter_2
  • For this starter complete the Khan Academy, and post your score in the comments on google classroom. ​

Review Coin Flip Experiment

Link to Data: https://docs.google.com/spreadsheets/d/1a7yIO4W5hF3kg27X1Gb3BHI9ELT_QpMdYm_rHBwjutY/edit?usp=sharing​
Discuss Samples and Probability
  • The smaller the sample the more variance there will be
  • The larger the sample the result will converge on the theoretical probability.

Types of Probability
  • Theoretical Probability: The probability we get without experimenting
  • Empirical Probability: “Experimental Probability” or it is the probability we observe in data.

​Null and Alternative Hypothesis Assignment

Task: much of the scenarios you have been applying the null and alternative hypothesis have been given to you. Now it is time for you to go out into the world and design your own experiment. For your experiment you will need some specific things:
  • Two different groups you are comparing
  • One metric or measurement

​Examples:
  • Is there a difference in concussions between the UFC and the NFL?
  • Is there a difference in hospitalization rates between boosted and non-boosted people with Covid-19?
  • Is there a difference in grade point average between high school boys vs girls?
  • Is there a difference in car accidents driving while under the influence of alcohol vs driving under the influence of marajuana?
​
​Directions:
  1. Find something that interests you and ask a testable question about it. 
  2. Develop a null and alternative hypothesis
  3. Find data for your hypothesis and make a conclusion (note this is a general conclusion not necessarily statistically proven)
  4. Fill out the assignment on this doc: Probability_2: Null and Alternative
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Tuesday 1/11/22

1/11/2022

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Objective

Use the null and alternative hypothesis to test whether a coin is rigged

8 People in a Circle POW Write Up

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Null and Alternative Hypothesis Lecture

Suspicious Coin Activity

1. Open the  Probability_1: Suspicious Coin Assignment
2. Read through the scenario for Roberto
3. With a partner collect a sample of 10 flips using the virtual coin https://flipsimu.com/
4. Choose a record keeper and record your data on the master spreadsheet. Heads = 1, Tails=0
5. At the bottom of the master spreadsheet find the average heads for your coin. 
6. Answer the questions attached to the document

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Monday 1/10/22

1/8/2022

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Objective

Introduce 8 people in a circle POW and wrestle with the concept of probability. 

8 People in a Circle POW

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Problem: Eight people are sitting in a circle. They all flip a coin at the same time, and one time only. Those who flip heads, stand up, and those who flip tails remain seated. 

Question: What is the probability that no two neighbors are standing after the flip?

Extension Question: Can you generalize a formula for N people?

8 people in a Circle POW Activity

  1. (5 min) Have 8 people flip a coin and demonstrate how the problem works
  2. (30 min) Split into small groups and wrestle with the problem
  3. (10 min) Reconnect as a class and discuss findings
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Friday 1/7/22

1/7/2022

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Objective

  1. Review the content we learned this week with sampling and evaluating statistical studies.
  2. Observe how world development influences the world population

Starter

Complete the Is there a Difference_Starter 1

Hans Rosling on World Development and Population Growth

Watch this Ted Talk by Hans Rosling
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Thursday 1/6/22

1/6/2022

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Objective

Introduce data snooping, hypothesis testing, and hypothesis making. Also observe sampling fluctuation.

Skittles Experiment Part 2

  1. Create a copy of the master spreadsheet
  2. Find the total number of of skittles in the entire grade
  3. Find the average percentage of each color in the entire grade
  4. Review the questions-How does a larger sample size effect the results?

Who gets A's and Measles Assignment

Directions:
  1. Open the Samples_3: Who get “A” and Measles assignment
  2. Read through the two scenarios
  3. Answer the questions on the back
  4. Turn in for points
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Wednesday 1/5/22

1/5/2022

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Objective

Analyze a sample of skittles to make claims about the larger population of all skittles. 

Agenda

  1. (10 min) Finish Samples 1 assignment
  2. Review Samples 1
  3. Skittles Experiment

Skittles Experiment

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Directions
  1. Open the Skittles Experiment Assignment
  2. Organize your skittles into separate colors and find the following:
    1. Total number of skittles in your bag
    2. Percent green, red, orange, yellow, and purple
  3. Record your data on the master spreadsheet. Write your name, then input your percentages and total skittles into the corresponding cells. 
  4. Answer the Discussion Questions on the assignment. 
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Tuesday Jan 4th

1/4/2022

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Objective

Introduce the concept of sampling and how that plays a role in the study of statistics.  

What is Statistics?

Sampling Lesson

Samples 1 Assignment

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