Sampling Distribution
Inference for categorical data
Inference for quantitative data
inference for categorical data
vocabulary
100
What are the three conditions that need to be approved for a problem to continue within using the distribution?
What is Random, Independent, Normal?
100
When finding the proportion p it is referring to which part of the population?
What is the population parameter?
100
When using means and not knowing the population standard deviation what is the statistic name we use to help find these numbers?
What is t score?
100
When examining the distribution of a single categorical variable in a population we use which test?
What is the chi-square goodness of fit test?
100
What is the definition of statistics?
What is a fact or piece of data from a study of a large quantity of numerical data?
200
What is the difference between a sampling distribution and a normal distribution?
What is sampling has to do with the average or mean of the distribution and normal is one specific thing?
200
As our population increases and the standard deviation decreases what happens to the margin of error?
What i decreases or gets smaller?
200
Different from the standard normal distribution what is the difference in the spread with the t-distribution?
What is the spread is slightly greater than the standard normal?
200
When we have larger chi-squared values, what evidence do we have against the null?
What if we have more substantial evidence to support our claim?
200
What is the definition of a confidence interval?
What is a range of values so defined that there is a specified probability that the value of a parameter lies within it?
300
What is the equation for standard deviation when comparing two different populations?
What is σ^p=√p1(1−p1)/n1+p2(1−p2)/n2
300
What is the equation for confidence intervals for proportions?
what is p̂ +/- z* (p̂(1 - p̂)/n)?
300
What is the equation to find the degrees of freedom for a specific problem?
What is df=n-1?
300
Which chi-square test takes a single random sample from individuals and tests to see the relationships between two variables?
What is the chi-square test or association/independence?
300
What is the definition of standard deviation?
What quantity is calculated to indicate the extent of deviation for a group?
400
When find our z score we use this calculator speak on the test?
What is normalcdf having upper, lower, mean, and standard deviation?
400
What s the term when we are estimating the standard deviation from the sample data?
What is standard error?
400
When making comparisons and preforming inferences of the mean difference we use what methods?
What is matched pair procedures?
400
What is the equation to find the chi-square statistic?
what is 
?
400
What is the definition of t-distribution?
What is continuous probability distribution that generalizes the standard normal distribution?
500
When finding our center that refers to which equation or variable?
When having one distribution Mp=p when having two Mp1-p2=p1-p2
500
Which error is it when you choose to reject the null but you were supposed to fail to reject the null?
What is Type 1 error?
500
If the population of the equation is approximately normal than the sampling distribution is what?
What is the sampling distribution is also approximately normal?
500
When finding the conditions for the chi-square test what are the conditions we need to find?
Random, Independent, and Large counts?
500
What is the definition of Central Limit Therom?
What is the sampling distribution of the mean will always be normally distributed, as long as the sample size is large enough?