Actual Math
What is the Data?
Methods of Sampling
Experimental Observations
Statistical Surprise
100
83%, 2.7%, and 9% as decimals.
What is 0.83, 0.027, and 0.09?
100
Temperature, Time, and Height.
What are Quantitative/Continuous Variables?
100
20 seniors are randomly selected by picking their name out of a hat.
What is Simple Random Sampling?
100
The difference between an Experimental Study and an Observational Study.
What is an Experimental study has some sort of treatment to a group while an Observation study does not modify anything?
100
What BS stands for in this class.
What is Bad Statistics?
200
0.13, 0.457, and 0.003 as percentages.
What is 13%, 45.7%, and 0.3%?
200
A variable that is counted and can't be a decimal.
What is a Discrete Variable?
200
Every 10th house is selected to determine on average how many people are living in a household in the community.
What is Systematic Sampling?
200
The group needed in an experiment to be able to make comparisons to the base line.
What is a Control Group?
200
The three major steps in any statistical process.
What is Prepare, Analysis, and Conclude?
300
55% of 60 and 40% of 90.
What is 33 and 36?
300
The type of variable for each column in this table.
What is Categorical, Categorical, Quantitative, Quantitative?
300
The first 100 people to walk into the store are surveyed on their experience at the store.
What is Convenience Sampling?
300
Used in an experiment to make it blind so participants do not know if they are receiving the treatment and not skew results.
What is a placebo?
300
Something we try to eliminate when gathering data which could skew our results.
What is bias?
400
4/16, 8/17, and 45/47 as percentages. (Round to two decimals)
What is 25%, 47.06%, and 95.74%?
400
The type of value given in the questions below: (statistic or parameter)
1. According to the U.S. Bureau of Justice, there are 2,227,318 prisoners in the United States.
2. In a study of a sample of babies born, the mean weight was 3152.0 grams.
What is 1. A parameter and 2. A statistic?
400
Newspapers readers are allowed to submit their opinions on the governor's recent decisions.
What is Volunteer Sampling?
400
When in an experiment, both the participants and the people running the experiment don't know who was given the placebo.
What is double blind?
400
What we call an outcome of the probability of it occurring is less than 5%.
What is Statistically Significant?
500
The number of people who say they DON'T like to drive if 55% of the 1200 respondents said they do.
What is 540?
500
The level of measurement for each of the examples below.
1. Movie ratings from 0-5 stars
2. Lengths of prison sentences
3. Years in which the U.S. won the most gold medals
4. Types of painting styles.
What is Ordinal, Ratio, Interval, and Nominal?
500
The difference between Cluster Sampling and Stratified Sampling.
What is Cluster is where entire groups within the sample are surveyed, while Stratified, an equal percent from each group is surveyed?
500
The difference between retrospective and prospective studies.
What is retrospective looks at past data while prospective is collected in the future over time?
500
The number of people you need in a room for there to be at least a 50% chance any two people share the same birthday.
What is 23?