Chapter 7 Vocabulary - additional
8. Mean and Standard Deviation of the sampling distribution of x bar Suppose that x bar is
the mean of an SRS of size n drawn from a large population with the mean and the standard
deviation . Then: the mean of the sampli

Chapter 8 Vocabulary - additional
5.
Interpreting Confidence Levels and Confidence Intervals Confidence Levels to say that we
are 95% confident is shorthand for 95% of all possible samples of a given size from this
population will result in an interval th

Statistics Chapter 10 Additional Vocabulary
7.
Using the two-sample t procedures: the normal condition:
Sample size less than 15: Use 2-sample t procedures if the data in both samples/groups appear
close to Normal (roughly symmetric, single peak, no outli

Chapter 6 additional words not included on Glossary print out)
4. variance and standard deviation of a discrete random variable supposed that X is a discrete
random variable whose probability distribution is
Value:
x
x
x
Probability:
p
p
p
And that is the

Vocabulary for Chapter 5
1.
Law of Large Numbers says that if we observe more and more repetition of any chance
process, the proportion of times that a specific outcome occurs approaches a single value.
2.
Probability probability of any outcome of a chanc

Statistics Chapter 9 Additional Vocabulary
7.
Significance and Type I Error the significance level of any fixed level test is the probability of a
Type I error. This is, is the probability that the test will reject the null hyposthesis H when H
is in fact

Response variable This variable is always plotted on the y axis of a scatterplot. Measures an outcome
of a study. This is the variable y when x is an explanatory variable.
Explanatory variable If one exists, it is always plotted on the x axis of a scatter

1. Population the entire group of individuals about which we want information when doing a
statistical study.
2. Sample - the part of the population from which we actually collect information. The information
from a sample is used to draw conclusions abou

1. Polynomial function - A function whose rule is given by a polynomial.
2. Degree - For a term with one variable, the degree is the variable's exponent. With more than
one variable, the degree is the sum of the exponents of the variables.
3. End behavior