There are 3 types of Probability, Name 2.
Classical Approach, Relative Frequency, and Subjective Probability.
Data Value - Mean
_______________________ = What?
Standard Deviation
Z-Score
Symbols for Mean.
x̅, μ “mu”
What is the correct way to answer a Hypothesis testing?
With a sentence. (The prof. provided a Chart on it)
Does the Professor wear Glasses?
Yes.
Ratio, Interval, Ordinal, Nominal.
How to find the Mean
Add all your values and divide them by said values amounts.
Symbols for Standard Deviation.
S, σ “sigma”
There are 4 possible outcomes on a Hypothesis Testing, Which are they?
What is your Favorite Color?
Mine is Green.
What are some types of Quantitative Data?
Discrete and Continuous.
When going Down the Tree Diagram you _________
and when going across you ______
Add across
Symbols for Variance
σ2 S2
A linear correlation coefficient is a unitless number that ranges from which number to which?
-1 to 1, inclusive.
Learning Continuously
Data consists of names or labels (not numbers that represent found or measurements)
Qualitative Data.
Draw a random Probability Distribution
X: Random Variable
P(X)
Significance Level, and its common levels.
α= .05 or .01, that is 5% or 1%.
How do we find the Median and Mode?
The mode is the number that appears more often.
For the median, the data should be arranged in order from least to greatest, then taking the mean (average) of the two middlemost numbers.
Dogs or Cats?
For me is both.
Describing the graphs distributions we learned these types of shapes. (there are 4 names 3)
Bell Shaped/Normal, Uniform Distribution, Skewed to the left, and Skewed to the right.
When do we round?
at the result of the problem, not while doing it.
What is H0 and Ha?
Null and Alternative Hypothesis.
What are the requirements for making a regression line?
If a human walks three steps, how far is the sun from Mars and how many steps will it take you to record all this?
The Correct answer to this is Pineapple does not belong on Pizza.