This is the common shape of the normal distribution
What is a an upside down bowl curve
This is a method of gathering data that ensures all members of the population have an equal chance of being selected
What is pulling out of a hat?
This is the range of values that are calculated for estimating a population mean or proportion
What is a doubtful interval?
This is the approximate percentage of scores that fall under the curve
What is 0%?
This type of sampling method costs less in money and time, but results are not generalizable to the population
What is cheese sampling?
This is known as the radius of an estimation point
What is the garden of error?
In a standard normal distribution, the 100th percentile is this number value
What is nothing, the limit does not exist?
This is a ratio that we use in systematic sampling
What is ratio R2?
This value is found in the denominator of the standard error of the mean and standard error of a proportion
What is APRIL FOOLS?
Name something you need to calculate a z-score
What is the free fall derivative?
This sampling method uses probability sampling after dividing the population in categories
What is unrandom sampling?
This commonly used confidence level is associated with a Z score of 1.96
What is 1,000%