Homework Due Friday MGSE 7 SP 1 I

Homework Due Friday

MGSE 7. SP. 1 I can determine the different sampling techniques used in Term Definition real life. Frequency Table Survey A measure of how many times an event occurs a data display that shows how often item occurs in a data set a method of collecting information (data) Convenience Sampling choosing individuals that are easiest to reach

MGSE 7. SP. 1 I can determine the different sampling techniques used in Term Definition real life. Voluntary Response biased Sample Population sampling occurs when people themselves choose to respond to a general appeal. data collected from a group whose opinions do not best represent the entire population in data collection, the group of interest

MGSE 7. SP. 1 I can determine the different sampling techniques used in Term Definition real life. Sampling collecting data from a subset of a population Random Sample data collected form a subset of a population that is chosen randomly Representative in data collection, a sample whose values are Sample representative of the entire population Inference Data an informed guess based on evidence information collected for observation or analysis

MGSE 7. SP. 1 I can determine the different sampling techniques used in real life. dot plots Spread Inference data le Random sampling amp s e v i tat n e s e epr R box plots Center histograms mean Interquartile range population median Range

MGSE 7. SP. 1 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

MGSE 7. SP. 1 I can determine the different sampling techniques used in real life. The school wanted to know what is the most preferred school meal served. Only students who bought school lunch responded • 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.

Both convenience sampling and voluntary responses are poor sampling methods that lead to sampling bias. MGSE 7. SP. 1 I can determine the different sampling techniques used in real life. A survey is a method of collecting information. These pieces of information, numbers and facts, are called data.

MGSE 7. SP. 1 I can determine the different sampling techniques used in real life.

MGSE 7. SP. 1 I can determine the different sampling techniques used in real life.

MGSE 7. SP. 1 I can determine the different sampling techniques used in real life.

MGSE 7. SP. 1 I can determine the different sampling techniques used in real life.

MGSE 7. SP. 1 I can determine the different sampling techniques used in real life.

MGSE 7. SP. 1 I can determine the different sampling techniques used in real life. Survey