Homework Due Friday.

Slides:



Advertisements
Similar presentations
Section 5.1. Observational Study vs. Experiment  In an observational study, we observe individuals and measure variables of interest but do not attempt.
Advertisements

Voluntary Sampling  Voluntary samples are surveys where members of a population are invited to respond voluntarily.  Responses are not mandatory.
Samples, Surveys, and Identifying Bias Algebra A Unit 3, Lesson 9.
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.
4.1 CLUSTERS AND CLUSTER SAMPLES By Keaton Kemnitz & Esteban Luis Asencio Otero Garcia de Guantanemo Masson.
PUT THE FOLLOWING TEST SCORES IN ORDER AND GROUP THEM INTO FOUR GROUPS; Question of day.
AP STATISTICS Section 5.1 Designing Samples. Objective: To be able to identify and use different sampling techniques. Observational Study: individuals.
13.5 Sampling Techniques The power of collecting data!!!
Lesson Sources of Errors in Sampling. Objectives Understand how error can be introduced during sampling.
Types of Bias How to pick the right sample. What is bias? Bias is any inconsistencies in using a sample to make inferences about the entire population.
Bias!!. Journal Topic Why do we take Samples? Fill in the blank: A good sample is of a population. Define Bias We take samples in order to reduce the.
Kinds of Samples Statistics is still fun. Random – Choose your population - 7 th graders/7 th grade teachers/7 th grade parents. – Put all the names in.
Chapter 7 Data for Decisions. Population vs Sample A Population in a statistical study is the entire group of individuals about which we want information.
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.
SWBAT: Identify and select a Simple Random Sample (SRS) Do Now: Complete the survey and the questions to follow.
Stats 3 Day 5 Chapter 12. Do Now Designing a Political Survey.
Day 2- Bias. BIAS Sampling methods that tend to over or underemphasize some characteristics of the population are said to be biased. Many of the most.
Please get out materials for notes.
Section 1 Part 1 Chapter 5.
Warm Up Assume that you are a member of the Family Research Council and have become increasingly concerned about the drug use by professional sports.
Bias and Error What can go wrong?.
Thursday Oct. 13, 2011 Sec. 3.1 Sampling Types & Techniques
Questions for thought If you think your school is the best school in the world, raise your hand. What’s the problem with this survey? To see what percentage.
Status for AP Congrats! We are done with Part I of the Topic Outline for AP Statistics! (20%-30%) of the AP Test can be expected to cover topics from chapter.
Bias On-Level Statistics.
Sampling Bias Terminology
CHAPTER 12 Sample Surveys.
Biased vs. Unbiased Samples
Collecting Data-Sampling
Wednesday, October 19, 2016 Warm-up
Chapter 7 Survey research.
Section 5.1 Designing Samples
Chapter 1 Getting Started Understandable Statistics Ninth Edition
Sampling and Surveys How do we collect data? 8/20/2012.
Unit 1 Day 4 Biased or Unbiased in Sampling
Who do I ask, what do I ask them, what does that tell me?
Maintenance Sheet 21 Due Friday
Review: Correlation and causation
Chapter 7 Special Topics
A way of collecting, organizing, and interpreting data
Univariate Statistics
Producing Data Chapter 5.
Chapter 12 part 2 Types of bias.
Do now: Identify the population and sample
Chapter 12 Sample Surveys.
WARM – UP Use LINE 5 of the random digit table. 30. The World Series.
6.4 Select and Draw Conclusions from Samples
Section 1.5 Bias in Sampling.
Designing Samples Statistical techniques for producing data open the door to formal statistical inference, which answers specific questions with a known.
Designing Samples Section 5.1.
The Use and Misuse of Statistics
Section 5.1 Designing Samples
Chapter 5: Producing Data
Lesson 8: Sampling Techniques
MATH 2311 Section 6.1.
Chapter 5: Producing Data
Sample Design Section 4.1.
5 points piece Homework Check
Designing Samples Statistical techniques for producing data open the door to formal statistical inference, which answers specific questions with a known.
5.1 Sampling and Producing Data
Bias in Studies Section 1.4.
Chapter 5 Producing Data.
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.
Chapter 4: Designing Studies
Statistical Bias 9/18/2015 Statistics Mr. DeOms
7.5 (purple) Select and Draw Conclusions from Samples
Chapter One Data Collection
Chapter One Data Collection
6.4 Select and Draw Conclusions from Samples
EQ: What is a “random sample”?
Presentation transcript:

Homework Due Friday

I can determine the different sampling techniques used in real life.

I can determine the different sampling techniques used in real life. 100 Atlanta residents were asked, “Who’s the better quarterback, Matt Ryan or the Patriots Tom Brady? *is this a biased statement? Explain

The school wanted to know what is the most preferred school meal served. Only students who bought school lunch responded I can determine the different sampling techniques used in real life. This is an example of voluntary response. Voluntary response sampling occurs when people themselves choose to respond to a general appeal. Often, people that volunteer to respond to questions have strong opinions, often negative ones, that may not represent the population well.

A survey is a method of collecting information A survey is a method of collecting information. These pieces of information, numbers and facts, are called data. Both convenience sampling and voluntary responses are poor sampling methods that lead to sampling bias. I can determine the different sampling techniques used in real life.

I can determine the different sampling techniques used in real life.

I can determine the different sampling techniques used in real life.

I can determine the different sampling techniques used in real life.

I can determine the different sampling techniques used in real life.

I can determine the different sampling techniques used in real life.