Exploring Data
This term is used to describe a data set with two modes
What is bimodal?
The "hat" on y represents this
What is a predicted value?
This term describes a possible result of a trial
What is an outcome?
The mean of a sampling distribution of sample means is equal to this.
What is the population mean?
This measure describes how many standard deviations a value is away from its mean
What is z-score?
A box plot displays these 5 descriptive statistics
What is Minimum, Maximum, Q1, Median, and Q3?
This is a line used to represent a data set
What is the LSRL?
The symbol ∪ is used to represent this, or the probably that at least one of two events will occur.
What is union?
This will decrease as the sample size of the sampling distribution increases
What is variability?
This value is set as a boundary to compare the p-value to
What is the significance level/alpha?
This rule is used to identify outliers
What is the 1.5 x IQR rule?
These 4 details are needed to describe a scatter plot
What are direction, form, strength, and unusual features?
This is a term used to describe two events that cannot happen at the same time
What is mutually exclusive?
When checking the Standard Error formula for a sample proportion, the population size must be at least this many times larger than the sample size to ensure independence.
What is 10 times?
This is also known as a "false positive"
What is a type 1 error?
When describing a distribution, these 4 characteristics must be identified
What is shape, center, outliers, and variability?
A point with a large influence on the LSRL is called this
What is a high leverage point?
This type of probability is represented by the symbol P(A|B)
What is conditional probability?
This theorem guarantees that a sampling distribution will be approximately normal as long as the sample size is at least 30
What is Central Limit Theorem?
This process is used with a two sample test to combine data sets and get a more precise estimate
What is pooling?
This sampling method groups individuals by something they have in common in order to get a representative sample
What is stratified random sample?
This measure is also known as the coefficient of determination
What is r^2?
This is a probability theorem stating that as the number of trials increases, their average result approaches the expected theoretical value.
What is the Law of Large Numbers?
This is the specific name given to the standard deviation of a sampling distribution of the sample mean.
Standard Error
This value is the probability of correctly identifying a real effect
What is power?