Probability
A number from 0 to 1 (0% to 100%) that indicates how likely an event is to occur.
What is probability?
Variables that record a specific category.
The distribution tails to the right.
What is skewed right?
The value in a data set that occurs the most times.
What is the mode?
What is 68% of the data?
The set of all possible outcomes of an experiment.
What is the sample space?
Variables that record only two categories.
What are (categorical) binary variables?
A distribution where the mean and median values are almost equal.
What is a mound shaped symmetric distribution?
The value in an ordered data set that falls in the middle.
What is the median?
Zero on a standardized scale of a normal distribution.
What is the mean?
What is theoretical probability?
Variables that measure something.
What are measurement or quantitative variables?
The area under a normal distribution.
What is 1 or 100%?
The difference between the maximum and the minimum values in a data set.
What is the range?
One (1), on the standardized scale of a normal distribution.
What is the standard deviation?
The number of times an event occurs divided by the total number of times an experiment is done.
What is experimental probability?
A display for categorical variables.
What is a bar graph?
A distribution where the mean is much lower than the median value.
What is skewed left?
The mean, median, and mode.
What are the measures of center?
The two measures needed to graph a normal distribution.
What are the mean and standard deviation?
The number of favorable outcomes divided by the number of unfavorable outcomes.
What are the odds of an event?
Two types of displays for quantitative variables.
A normal distribution.
What is a mound shaped, symmetric distribution? OR What is a bell-shaped curve?
The difference between the upper quartile and the lower quartile values in a data set.
What is the interquartile range (IQR)?
Three standard deviations from the mean.
What is 99.7% of the data?