Statistics

Vocab

100

Study where the researcher does not influence the data

What is observational study

200

Information coming from observations, counts, measurements, or responses

What is data

300

The science of collecting, organizing, analyzing and interpreting data

What is statistics

400

Collection of all outcomes, counts or measurements

What is population

500

Subset, or a part of a population

What is a sample

Experiments

100

The name of what is applied to a population/sample in an experiment. Also referred to an administration 

What is treatment?

200

The part of a population/sample the treatment is applied to

What is treatment group?

300

Part of a population/sample that treatment is not applied to

What is control group?

400

The name for treatment and control groups

What is experimental units

500

A fake treatment given in an experiment

What is placebo

Data Collection and Design

100

Uses mathematical, digital and/or physical models to reproduce the conditions of a situation

What is a simulation

200

The investigation of one or more characteristics of a population by using people to collect data. Collection is usually done by collecting responses. 

What is a survey

300

When the experimenter and the experiment participants don't know if they are receiving the treatment. 

Double Blind

400

When individuals are grouped up by similar traits/characteristics to eliminate or measure the effect of confounding variables. 

Block

500

When individuals are grouped up by similar traits/characteristics in each group (control v. experimental) to examine affects on specific parts of the sample/population. Hint: Each person has a match based on a characteristic with someone in the other group.

Matched Pair

Sampling Techniques

100

Randomly selecting individuals for your experiment, where each experimental unit has an equal chance of being selected

                                   

    

Random Sampling 

200

an initial experimental unit is randomly selected, then every kth unit is being chosen for sampling.

                                   

    

systematic 

300

the population is divided into subgroups (or strata) that share the same characteristics, then a sample from each subgroup (or stratum) is selected.

Stratified 

400

the population area is divided into sections (or clusters), then randomly select some of those clusters, and then choose a sample or all the members from those selected clusters.

Cluster 

500

use results that are very easy to get

Convenience 

Levels of measurement

100

Qualitative, uses names, labels or qualities

What is nominal

200

Qualitative, data is ranked

What is ordinal

300

Quantitative data that consists of whole numbers, no parts/fractions, also give an example

What is interval

400

Quantitative Data that has fractional or decimal amounts, also give an example

What is ratio

500

Give an example of each type of measurement using things in this room. 

Answers will vary