the two ways a graph could be misleading
what is scales and width of Bars
the difference between a frequency table and a relative frequency table
what is a frequency table display the counts at which something happens, while a relative frequency table shows the percent of the total number of times
These are the cases, respondents, subjects, participants, or experimental units.
What is "Who"?
the distribution is skewed to the right with no outliers
mean > median
These recorded characteristics about individuals are the "What" in a data table.
What are Variables?
The average annual salary of 50 of a company's 800 employees is $54,000
what is Statistic
the data set of salaries of 50 employees is a sample.
the Weight carried by a soldier in combat
what is Continuous, not countable
A person's salary is an example of this type of variable.
What is a Quantitative Variable?
When a researcher assigns individuals to a certain group, intentionally changing the value of an explanatory variable and then recording the value of the response variable for each group.
What is a designed experiment?