Unit 1
Define the process of finding the range
What is largest observed value - smallest observed value?
Define sampling bias
What is the some members of a population are systematically more likely to be selected?
The definition of independence in terms of probability
What is knowing one event occurred doesn't change the probability of the other event?
Define statistic
What is numerical data from a study of large quantity?
The 3 conditions to check in Assumptions
What is random, normal/large count, and independence?
Difference between average and mean
What is the total value / total # of values vs Middle value?
Define response variable
What is the recorded results of each trial?
Repetitions of a chance process results in a more accurate distribution of results.
What is law of large numbers?
Increasing a random sample size does this
What is reducing variability?
The correct acronym for a hypothesis test
What is PHANTOMS?
The number of standard deviations in the empirical rule
What is 3?
Some portion of the intended population is either unrepresented of under-represented
What is undercoverage?
Events A and B have nothing in common and can not occur simultaneously
What is mutually exclusive?
The formulas to find if a sample is approximately normal
What is np=x and n(1-p)=x?
The significance level must be lower than ___ to reject the null
What is 5% or 0.05?
The skier is skiing down the hill to the right means this.
Reduces bias in surveys or experiments
The probability of event A given event B has already occurred
What is conditional probability?
The NAME for a pattern of values that a statistic takes when we sample repeatedly from the same population
What is the sampling distribution of the statistic?
The formula to find point estimate
What is (x + y) / 2?
The formula for z-score
What is x - mean of sample / standard deviation of sample?
Data values that are not independent from one another and are somehow related
What is matched design?
The acronym BINS
What is B-binary outcomes, I-independent trials, N-Number, S-same probability?
Define Central Limit Theorem (CLT)
What is the sampling distribution of the mean will always be normally distributed, as long as the sample size is large enough?
How you spell Ms. P's name
What is Pisapia?