Fill In Blank Flashcards
A ___ variable is a numerical variable whose value depends on the outcome of a chance experiment
Random
A random variable is ___ if its possible values are isolated points along the number line
Discrete
A random variable is ___ if it’s possible values are all points in some interval
Continuous
The probability ____ of a discrete random variable X gives the probability associated with each possible X value
Distribution
The ___ normal distribution is the normal distribution with mu =0 and Sigma =1
Standard
An ___ problem involves using sample data to estimate the value of a population characteristic
Estimation
A ___ testing problem involves using sample data to test a claim about a population
Hypothesis
A ___ proportion is denoted by P hat
Sample
A ___ proportion is denoted by P
Population
Any quantity calculated from values in a sample is called a _____
Statistic
The observed value of a statistic varies from sample to sample depending on the particular sample selected, and this variability is called _____ variability
Sampling
The distribution formed by the values of a sample statistic for every possible different sample of a given size is called its ____ distribution
Sampling
A statistic with a sampling distribution that is centered at the actual value of a population characteristic is an _____ estimator of the population characteristic
Unbiased
The standard deviation of the sampling distribution of a statistic is called the standard ____ of the statistic
Error
The ___ of error of a statistic is the maximum likely estimation error
Margin
