Collecting data unit 2
C1.2 recognize and explain reasons why variability is inherent in
C2.3 describe how the use of random samples with a bias (e.g.,
response bias, measurement bias, non-response bias, sampling
bias) or the use of non-random sample
Data combinatorics unit notes
1. The basics
The set of options is called the
sample space, and the different ways of displaying those options
are called sample space diagrams.
The Fundamental Counting Principle
If you are choosing one element from each of
1. A lot of national flags are made up of three horizontal stripes.
a. All three colors must be different
5P3 = 5*4*3 = 60 flags s
b. Contain red stripe
5P3 4P3 = 60 - 24 = 36 flags
total no red = contain red
Data Collection Assignment Q6
All spelling mistakes were fixed, spelling mistakes make survey look unprofessional.
Please indicate the following
Gender: Female/Male/prefer not to say
Name, address, tele
Collecting Data Assignment
1. Submitted M&Ms spreadsheet.
2. A research company wishes to perform an opinion poll ahead of a local election. They look at the
breakdown of the town's population:
0 to 9
10 to 19
Chapter 1- tools for data management
Types of Data
Deals with descriptions
Deals with numbers
Data can be observed but not
Data which can be measured
Length, height, weight, area,
2. b) What is the probability that Toronto wins the series in four games?
P(T4) = 0.7 x 0.4 x 0.7 x 0.4 = 0.0784
The probability of Toronto winning in four games is is 0.0784 (7.84%).
c) What is the probability that the series go
Data unit 3 notes
Statistics of One variable
Statistics is the gathering, organization and analysis of various types of
data. You can apply many different statistical techniques to almost any
kind of data.
Here are three important reasons why its a good i
DMI: Statistics of Two Variables
Below is a scatter plot of the data I have collected.
The Number of Basketball Shots that WCI Students of Different Heights Missed
Number of shots missed (out of 20)
150 155 160 165 170 175 180
UNIT 6 PROBABILITY NOTES
A1.1 recognize and describe how probabilities are used to represent the likelihood
of a result of an experiment
A1.2 describe a sample space as a set that contains all possible outcomes of an
experiment, and distinguish
Please indicate the following:
I took out the name, address, telephone number, and email since they are irrelevant to the study and it
is unnecessary to identify the person in this situation.
How much water do y
Unit 3 Statistics of One Variable Assignment
Raw data is collected from Rockall- the wind speeds, measured in km/h on the fifty days
in the study are recorded, in ascending order, in the table below:
By: Jia Jia Lin
Find the in verses of each of the functions below
Function inverse is if a function f(x) is mapping x to y, then the inverse
function f(x) maps y back to x.
AFL Assignment: Using Logs and Exponents
Question 1: Solve for x in the following problems. Be sure to show all of
your works and write only exact answers.
2^ x 3 24
ln( 2^ x 3) ln( 24)
( x 3) ln( 2) ln( 24)
( x 3) ln( 2) ln( 24)
Unit Assignment: Polynomial Functions
1. Without graphing, answer the following questions for each of the functions
a) What are the end behaviors of this type of function (what quadrant does it
begin and end in?)
b) What is the maximum and minimum
Assignment: Basic Skills Review
Question 1: Rewrite the following relationships using function notation.
a. An Airplane needs to travel 400 km. Determine a function for the
speed of the airplane, with respect to time.
s (t )
b. An ice cream cone is
Running Head: Polynomial Functions
Jia Jia Lin
Full Throttle Roller Coaster
The full throttle roller coaster is located at six flags Mountain Park in Valencia. The roller coaster
boasts of t
Unit Assignment: Rational Functions and inqeualities
a. What is a rational function?
Rational function is a function that can be expressed as
are polynomial functions,
q ( x) 0
b. How is it different from a polynomial?
AFL Assignment: Rational Inequalities
a. What a rational inequality?
Rational inequality is states that one rational expression is less than or greater
than another rational expression.
b. How do you solve a rational inequality?
I will using a
AFL Assignment: Compound Angle Formulas
Given Angles x and y are acute such that
sin( x )
sin( y )
sin( x y ) ?
x ^ 2 4^ 2 5^ 2
x ^ 2 25 16
x ^ 2 5^ 2 13^ 2
x ^ 2 169 25
x ^ 2 2 9
x ^ 2 2 144