{ Station Activity Convenience Sample, Voluntary Response Sample, Simple Random Sample.

Slides:



Advertisements
Similar presentations
Random Number Generator
Advertisements

In the Legos Example, the most accurate sample technique was:
Is it Valid? In the summaries given, determine if the sample taken is representative of the population, without bias shown. If not, give a reason why.
Lesson 13-1 Sampling and Bias. Transparency 1 Click the mouse button or press the Space Bar to display the answers.
Objectives Estimate population means and proportions and develop margin of error from simulations involving random sampling. Analyze surveys, experiments,
Purpose We wanted to know how students feel about their teachers, specifically Mr. Spencer, Mrs. Davis, Mr. Baird, Mrs. Squire, and Ms. Lund. Note: we.
Chapter 12 Sample Surveys
* Students will be able to identify populations and samples. * Students will be able to analyze surveys to see if there is bias. * Students will be able.
Warm Up Match each definition of one of the following words.
Data Gathering Techniques
7-3F Unbiased and Biased Samples
Decide whether each sampling method is likely to result in a biased
Sampling Distributions
Homework Quiz Determine if the following represents a simple random sample, a random sample, neither, or both. You split the class into two halves, flip.
Voluntary Sampling  Voluntary samples are surveys where members of a population are invited to respond voluntarily.  Responses are not mandatory.
Surveys Are a way to gather data. Can be used to gather facts or opinions from people. In order for the survey to be valid, each participant must be asked.
Planner * I can identify bias data * I can follow order of operations Computer notes quiz tomorrow. Make sure you are saving to your “h- drive”!
Convenience, Voluntary, Simple Random Sample. Redefine as a class the following sampling techniques. Convenience Voluntary Response Simple Random Sample.
Section 1 Part 1. Samples vs Population  Benefits of getting data from the entire population….  You can draw a conclusion about the entire population….more.
Holt CA Course Identifying Sampling Errors and Bias Warm Up Warm Up California Standards California Standards Lesson Presentation Lesson PresentationPreview.
Section 1.2 ~ Sampling Introduction to Probability and Statistics Ms. Young.
6.6 Analyze Surveys and Samples Math Analyze Surveys and Samples Vocabulary GPS MM1D3. Students will relate samples to a population.
Welcome Back! You will be able to recognize different sampling techniques. You will be able to understand bias and variability. You will be able to understand.
Sampling Design Notes Pre-College Math.
Population  Random Selection  Sample. Sampling Vocabulary Population of Interest  the set of people or things you wish to know something about Sample.
Population vs. Sample The entire group of individuals that we want information about is called the population. A sample is a part of the population that.
CLUSTER SAMPLING a survey of selected groups within a population the entire population is divided into groups (clusters), and a random sample of these.
Sampling Techniques. Simple Random Sample Keep Your Index Card Number On You Table 1 – Random Numbers
Over Lesson 13–6 A.A B.B C.C D.D 5-Minute Check 5 A.12% B.16% C.24% D.36% Natalie has a bag with 13 green, 4 red, 9 purple, and 6 yellow marbles. She randomly.
Management Consultancy
Chapter 5 Section 1: SAMPLES. Read p. 201 Sample #1: American Idol wants to decide their next winner. They do this through a call-in poll. They get a.
Algebra 1 Bell work. EOY Reminders 1.Dress code still applies 2.My no food policy is enforce with referrals (it is defiance). 3.Yes, we are still doing.
Copyright © 2014 Pearson Education. All rights reserved Sampling LEARNING GOAL Understand the importance of choosing a representative sample.
Homework Questions. What’s on the test? Matching definitions (vocab dictionary) Determine the sampling technique Consider context, source, sampling method,
BY MRS. THOMAS Methods and Tools of Research. Survey a sampling, or partial collection, of facts, figures, or opinions taken and used to approximate or.
Sampling Types & Techniques MBF3C - Statistics. Discussion Problem Natalie surveys randomly from her on-line youth book club members as well as the lists.
Probability and Statistics. Probability and Statistics is one of the five ‘strands’*that the State of California says 6 th grades should know.
Mass Media & Public Opinion DO NOW: THINK OF AN EXAMPLE OF AN OPINION POLL THAT YOU HAVE SEEN RECENTLY.
How can random samples be used to make inferences about a population?
Splash Screen. 1.A 2.B 3.C 4.D Five Minute Check 1 A.309 B.479 C.527 D.637 A survey of high school students said that 63% planned on taking college courses.
Essential Questions How do we estimate population means and proportions and develop margin of error from simulations involving random sampling? How do.
Chapter 21 Samples, Good and Bad. Chapter 22 Thought Question 1 Popular magazines often contain surveys that ask their readers to answer questions about.
Collection of Data Jim Bohan
Random Sampling. How many texts do middle school students send in one day? Statistical questions are used to gather data about a population.
Lesson 8-7 Using Sampling to Predict. Definitions Sample - A small group, it is representative of a larger group, called a population.
The Practice of Statistics, 5th Edition Starnes, Tabor, Yates, Moore Bedford Freeman Worth Publishers CHAPTER 4 Designing Studies 4.1 Samples and Surveys.
13.2 Surveys and Samples SWBAT identify populations and samples for surveys SWBAT distinguish biased from unbiased samples SWBAT identify and distinguish.
Sampling Distributions 9.2. When a survey is used to gather data, it is important to consider how the sample is selected for the survey. If the sampling.
By: Camryn Parsons. Editorial An opinion piece written by the senior editorial staff or publisher of a newspaper. My mom writes an editorial for our local.
Quick Start Expectations 1.Fill in planner and HWRS HW: p #5, 7, 9, Get a signature on HWRS 3.On desk: calculator, LabSheet packet, Toolkit.
Types of Samples. Samples Population – the main group or set from which observations or opinions can be made Sample – a small part of a population from.
Bias & Sample Types Unit Four: Inferences, MCC7.SP 1 What is bias and how can it be avoided? What are the different types of samples?
Chapter 3 Sampling Techniques. Chapter 3 – Sampling Techniques When conducting a survey, it is important to choose the right questions to ask and to select.
SWBAT: Identify and select a Simple Random Sample (SRS) Do Now: Complete the survey and the questions to follow.
Lesson Menu Main Idea and New Vocabulary Concept Summary: Unbiased Samples Concept Summary: Biased Samples Example 1:Determine Validity of Conclusions.
WELCOME TO ADVANCED MATH CLASS Ms. Stadeker Advanced Math
Using a Sample to Make Predictions. Think About the Process There were about people living in Lougheedville. Samy wanted a new swimming pool to.
Product/service Management Designing, producing, maintaining, improving, and obtaining products to meet customer’s wants and needs. Designing, producing,
SAMPLING METHODS UNIT QUESTION: How do you use probability to make plans and predict for the future? Today’s Question: How do we take a random sample,
Thursday Oct. 13, 2011 Sec. 3.1 Sampling Types & Techniques
Biased vs. Unbiased Samples
Unit 2 Review Math 075.
The “Big Picture” of Statistics—What is the Purpose?
Sampling Distributions
Introduction to Statistics
Mrs. Bernard I choose Mrs. Bernard because she made math fun. My favorite memory of her is when she let us sit in her desk. I liked it when she let me.
Conducting Surveys.
Sampling Distributions
Warm Up – 5/13 - Tuesday Mr. Gill is planning the prom. In order to find out what the students want to eat at the prom he polls his math classes. That.
Presentation transcript:

{ Station Activity Convenience Sample, Voluntary Response Sample, Simple Random Sample

Nike decides to open up an opinion poll on their website about the favorite type of shoes amongst teenagers. All people who participate will be given 5 dollars to any Nike outlet store. Station 1

What are the advantages of this type of sample? What are the disadvantages of this type of sample? Name the Sampling Technique and the population.

Mr. Towns wanted to gather information about his students and the math department behavior expectations. He handed out a survey to all of the teachers in the building but he only analyzed the data of those teachers who had brown hair. Station 2

What are the advantages of this type of sample? What are the disadvantages of this type of sample? Name the Sampling Technique and the population.

A newspaper advertisement for USA Today: The Television Show once said: “Should handgun control be tougher? You call the shots in a special call-in poll tonight. If yes, call If no, call Charge is 50 cents for the first minute. Station 3

What are the advantages of this type of sample? What are the disadvantages of this type of sample? Name the Sampling Technique and the population.

Ms. Dozier wants to know what her staff thinks about applying a one homework a night rule to all of the classes at Fenger High School. She was in a meeting with the math department and asked their opinion on it. After discussing with the math department she decided against it. Station 5

What are the advantages of this type of sample? What are the disadvantages of this type of sample? Name the Sampling Technique and the population.