Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
7 Cards in this Set
- Front
- Back
What is meant by saying that the normal distribution is a theoretical distribution?
|
Data will never exactly match perfectly with the normal distribution.
|
|
How can the normal curve model be useful when dealing with real data?
|
Because we know the area of the normal curve so we can use that data to determine teh area under the curve.
|
|
What is the shape of the normal curve? Is it unimodal? Is it symmetric?
|
It is unimodal, symetric graph
|
|
How is the total population depicted in a graph? As a probability?
|
By the area of the curve, the probability will be the area under the curve at that area, of what the probability of someone falling into that part of the population.
|
|
In a graph, how do we depict the proportion of the population with scores between two specified value?
|
Find how far it is from 50% and compute.
|
|
What are the two parameters of the normal distribution?
|
The location and the variability.
|
|
How is the normal table used?
|
By finding the percent or z score looking up the value and recording the informationl;
|