Introduction To STaTisTics
STaTisTics is The science of collecTing, organizing and
inTerpreTing daTa
DaTa is collecTed using differenT Types of sampling
The daTa is organized inTo Tables and Then presenTed in a
graph
DifferenT Types of graphs can be used
Career Package Assignment
Job Advertisement/Posting
Find an ad for a job in your area of study. The job does not have to be
in Ottawa. You can get the ad from the newspaper, internet or any
other source. Highlight or underline specific skills or requireme
Monica Keil
423 Lawrence Avenue
Montral, QC H5L 2E3
November 2, 2015
Rodney Harding
Marketing Manager, Big Spruce Wood Products
P.O. Box 488
Sandpoint, BC V5N 7L8
Dear Rodney Harding,
Subject: Refund Request
Please refund the purchase of the North America
2.32
=22.99, s=0.7428, rounded up to 23.0 and 0.74
a. According to the Fig 2.15 Stem-and-leaf displays, there are (3+9+12+3)=27 numbers out of 40
samples that falls in the interval of
1 s = [23.0-0.74, 23.0+0.74]=[22.3, 23.7],
rounded
up
to
[22.3,
23.7].
STUDENT SOLUTION MANUAL
Business Statistics in Practice, Third Canadian Edition
by
Bowerman, Aitken Schermer, Johnson, & OConnell
CHAPTER 1: An Introduction to Business Statistics
1.1
[LO 1]
A population is a set of units.
Examples could include surveying
Assignment 2
QUESTION
1
2
3
4a
4b
4c
VALUE
4
4
5
4
4
4
25
MARK
4
4
4
4
4
0
20
%
80%
Question 1
Final marks earned by 1000 college students in an introductory stats course were as follows:
a)Construct a less than more than cumulative frequency and percent
Question 1
1 out of 1 points
The type of graph presented in the following diagram is a
Question 2
1 out of 1 points
Last year a developer sold 110 homes in Vancouver. A frequency distribution of prices paid
for the homes is as follows:
Price (Thousands)
Assignment 4
Weight Value
Question
Value
Mark
1
2
3
4
5
6
7
7
8
2
2
4
4
3
30
Percent
7
7
2
2
4
3
3
28
93%
Question 1
Starting salaries for 10 recent community college graduates are found in the following table:
Table 1: Starting Salaries
30000
39000
40000
QUA2220- Assignment 1
Question #
1
2
3
4
5
6
Weight out of 35=2
Value
2
1
2
3
2
2
12
Mark
2
1
2
3
2
2
12
%
Weighted Grade
Err:509
Question 1
1)
1. The following data represent the average electricity consumption for a family:
Month
Jan
Feb
March
Apr
May
J
Assignment 6
Question
1
2
3
4
5
6
7
8
Weighted Value out of 35
Weighted grade
Value
6
5
3
6
5
2
2
4
33
Mark
PER CENT
0
0%
Question 1
Improved global competitiveness was a factor in increasing exports of Canadian resource-based products during t
Exports of
ASSIGNMENT THREE: ANALYZING MODERN AND HISTORIC SPEECHES 20%
To do: Log on to TEDTalks, YouTube or AmericanRhetoric.com to explore famous speeches made by
prominent figures.
Compare and contrast two speeches, set at different times in history. Discuss wha
Career Inventory Assignment Tips
1. Job: position, company, where the company is located, date you worked there, start with
job you have now (or latest) and work backwards
2. Duties: bullet points, each one starting with an action verb (and verbs should b
His bullet proof Cadillac was seized by the u.s treasury department and later used as Roosevelts
limousine
After Al Capone was diagnosed with neurosyphilis, a test performed by a psychiatrist from Baltimore and
his personal physician showed that his menta
Introduction to Statistics
(Data Management)
Statistics is the science of collecting, organizing and
interpreting data
Data is collected using different types of sampling
The data is organized into tables and then presented
in a graph
Different types of g
Statistics: The Investigation Stage
1. Pose a Problem
ask a question
identify the variables:
independent variable (x-axis)
dependent variable (y-axis)
Example: Is there a relationship between the
length and the wingspread of a bird?"
2. Hypothesis
3. Coll
Distance-Time Graphs
1. Describe The morion shown in each disrancerime graph.
0)
a C B A slow sready (consrcmr)
speed
B normal sready (consranr)
speed
C fasTer sTeady (consrcmr)
speed
D no morion
(sropped)
D E nor possible
(Time doesn'T srop)
2 4 a s 10
Day 1: BEDMAS
Day 2: INTEGERS
When there are multiple mathematical operations in a math
problem, the operations must be completed in a specific order,
according to BEDMAS
(Brackets, Exponents, (Division,Multiplication)*, (Addition,
Subtraction)*
* Whichev
3x 6 + 6 = 6 + 6
3x = 12
=
x=4
M
A
T
H
O
Solve the equation:
-3b + 18 = 33
Solve the equation:
6(2a + 10) = 12(3a + 9)
Isolate r:
1 more than 4 times a
number is 77. What is
the number?
Write the ratio in
simples form:
A = 2r
32:108
Solve the equation:
So
Day 1: SCATTER PLOTS
Day 2: CORRELATION
A scatter plot is a graph with points plotted to show the relationship
between two variables.
Trends (also known as correlations) refer to patterns in data. A
correlation can be either upward or downward.
The variab
M
A
T
H
O
Determine the missing
side length.
Determine the surface
area of the rectangular
prism.
What is the height of the
cylinder if it has a
surface area of
4560cm2?
How would the surface
area of a sphere change
if its radius was tripled?
What is the
Name: _
Date: _
Student Exploration: Vectors
Vocabulary: component, dot product, magnitude, resultant, scalar, unit vector notation, vector
Prior Knowledge Question (Do this BEFORE using the Gizmo.)
An airplane is traveling north at 300 km/h. Suddenly it
Vocabulary: Vectors
Vocabulary
Component the projection of a vector in a given direction.
o
On a coordinate grid, a vector can be described by an
x component and a y component.
o
For example, the vector 3i + 4j has an x component of
+3 and a y component o