Name _
Period _
Date _
7.1 Discrete and Continuous Variables
What is a random
variable?
What is a
probability
distribution?
What is a discrete
random variable?
Problem 1 NHL Goals
Define the random va
AP Statistics
Name _
Ch. 15 Practice
1. The local utility company surveys 101 randomly selected customers. For each
survey participant, the company collects the following: annual electric bill (in
dol
AP Statistics
Name_
Mixed Probability Problems
1. Let A denote the event `student is female' and let B denote the event `student is French'. In a
class of 100 students suppose 60 are French, and suppo
Team Waste-To-Sustenance
Team Waste-To-Sustenance has a very special problem space to work in and they have adapted a
technological solution to their problem. The PowerPoint also had very short and qu
AP Statistics
Difference in Means/Proportions
_
Name _
Date
1. In 2005, researchers at the National Cancer Institute released the results of a study
that investigated the effect of weed killing herbic
Chapter 14 Practice Problems
For each of the problems
a.
b.
c.
d.
State the hypothesis for the question
Check necessary conditions
Decide on the correct test procedure and show appropriate work.
Provi
Im Getting a Headache!
The makers of Ace brand aspirin want to be sure that their tablets
contain the right amount of active ingredient (acetylsalicylic acid). So
they inspect a sample of 36 tablets f
AP Statistics
Chapter 6Probability
Name _
Date _ Period_
Dependent Events
1. A single coin is tossed twice. Event A is having the coin land heads up on the first toss.
Event B is having the coin land
AP Statistics
Name_Pd_
Hypothesis Testing Grab Bag
Perform an appropriate inference test to answer each question.
1. The CEO of a large electric utility claims that 80 percent of his 1,000,000
custome
Name _
Period _
Date _
1. We would like to determine if the typical amount spent per customer for dinner at a new restaurant
in town is more than $20.00. A sample of 49 customers over a three-week per
Richard Pei
Mrs. Davis
AP Statistics Period 6
27 January 2016
Unit 9 Summary
7.1 Sampling Distributions
Parameter: A parameter is a number that describes the population. A parameter is a fixed
number,
Richard Pei
Mrs. Davis
AP Statistics Period 6
10 February 2016
Unit 10 Summary
10.1 Confidence Intervals: The Basics
Statistical inference: provides methods for drawing conclusions about a population
Richard Pei
Mrs. Davis
AP Statistics Period 6
5 February 2016
Unit 4 Summary
4.1 Transforming Relationships
Linear, positive and negative powers, logarithms, and exponential functions: most
commonly u
Richard Pei
Mrs. Davis
AP Statistics
25 January 2016
Unit 3 Summary
3.1 Scatterplots
Response variable: A response variable measures an outcome of a study.
Explanatory variable: An explanatory variabl
AP Statistics Chapter 2 Summary
2.1 Density Curves and the Normal Distributions
Density curve: a curve that is always on or above the x-axis and has area exactly 1 underneath it.
Area under a density
AP Statistics Chapter 1 Summary
1.1 Displaying Distributions with Graphs
Individuals: the objects described by a set of data. Individuals may be people, but they may
also be animals or things.
Variabl
AP Statistics
Inference ReviewChapters 10-15
Procedure
When do I use it?
Confidence
Interval for
Population
Mean ( )
When population
standard deviation (
) is known
Z Interval
Confidence
Interval for
A P St A t i s t ic s
Na m
Di f f e r e n c e i n M e a n s / Pr o p o r t io n s
Da t e
I n 20 0 5,
1
i n v e s t ig a t e d t h e
w
he r e
at
t h e N a t io n a l Ca n c e r I n s t it u t e
e ffe c
BUAD 310
9/19/17
Last time
Normal distribution
Today move on to sampling distributions (an application
of normal model)
2
Statistical Inference
draws conclusions about a population on the basis
of
Leadership Workshop
P/ICA Assessment
Circle the statement(s) that your FRIENDS would say are true of
you:
1. People share their feelings with him/her (C)
2. She/he ends up being the leader (I)
3. She/
Unit Six Essay Questions
#1
The work shown is the Funeral Banner of Lady Dai. Identify the period in which this
work was made.
Identify the function of the work.
Use specific visual and contextual evi
1
AP Psych Learning Minion Training (Despicable Me Style)
Unit 6, Learning
Name(s):
Period:
NOTE TO STUDENTS: In all aspects of this assignment it is important that you use the vocabulary specific
to
BUAD 310
9/5/17
Statistics and Probability
Statistics enables us to make decisions/inference
under uncertainty.
By using Probability, we can make numerical
statements about uncertainty.
By uncertai
BUAD 310
9/7/17
Random variable
is a variable whose value depends on the outcome of
a random phenomenon (e.g. coin tossing)
assigns a value (typically a number) to each possible
outcome in the sampl
BUAD 310
9/28/2017
s
x
t2n
Reminder: CI for population mean
Suppose we have an SRS of size n
from a population having unknown
mean . A (1- )100% level CI for
is
t /2
is the point giving the right
tai
BUAD 310
9/14/17
Reminder: Normal probabilities: steps
1. State the problem in terms of x values and areas under a
normal curve
2. Standardize: find the z scores using z = (x - mean)/SD and
restate th