Chapter2.3
Data
PopulationAllindividualswhobelongtoagroupbeing
studied.
SamplePartofapopulationselectedsoastogain
informationaboutthewholepopulation.
CensusInformationgatheredaboutanentire
population
1
Chapter2.3
Data
Dataarethefactsandfiguresthatarecolle
Unit 2 Review
Short Answer
1. Simplify
.
2. Show that f(x) and g(x) are equivalent by simplifying each.
3. Simplify
.
4. Are the functions shown equivalent? Explain your answer.
5. Are the functions shown equivalent? Explain your answer.
6. A rectangular
Worksheet: Combinations, Binomial Theorem
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
_
1. How many terms are in the expansion of
a. 5
b. 8
_
2. In the expansion of
a. 10
b. 4
_
3. What is t
Worksheet: Stem-and-Leaf Plots
Name:_
1.
a)
b)
c)
d)
What is the value of the highlighted item in the stem-and-leaf plot shown below?
5
6
51
52
2. What is the range of the data in the stem-and-leaf plot shown below?
a)
b)
c)
d)
4
5
6
41
3. The stem-and-le
`Worksheet: Probability Distributions
Multiple Choice
Identify the letter of the choice that best completes the statement or answers the question.
_
1. What is the probability of a sum of 5 resulting from the roll of two six-sided dice?
a.
c.
b.
_
d.
2. T
Worksheet: Probability using Counting Techniques
1. A person buys a ticket for a draw, which has tickets made up of four digits from 0 to
9, and one winning ticket is drawn. Assuming that all the tickets have been sold,
determine the probability of the pe
05/ 10/ 2012
W or ksheet : N r m al D t r i ut i n ( z- scor es)
o
s
i bo
Name : a
Score : 0 / 12 (0%)
[2 subjective questions not graded]
Worksheet: Normal Di stri buti on (z-scores)
M ultiple Choice
Ident if y t he let t er of t he choice t hat best com
Unit 5: Probability
Additional Practice Worksheet
1.
Two hundred students have enrolled in at least one Grade 12 university course this
year.
70 are in Chemistry, 110 are in Physics, 76 are in Biology,
60 are in Chemistry and Physics, 35 are in Physics an
Review on Graphical Representation of Data
Multiple Choice
Identify the choice that best completes the statement or answers the question.
_
_
_
1. A population refers to
a. a portion of a group about which data are being collected
b. the number of individ
Solving Problems using Pascal's Identity
1.
A checker is placed on a game board as shown below. Determine the number of paths the checker may
take to get to each allowable square on the board if it can move only diagonally forward one square at a time.
2.
Worksheet: Permutations
1. How many different five-digit numbers can be formed using three 2s and two 5s?
2. In how many ways can 10 students standing in a line be arranged?
3. In how many ways can 10 students standing in a line be arranged if Jill must b
Worksheet: Statistics of Two Variables
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. The coefficient of determination, r2, indicates
a. the linear relationship between two variables
b. the slope of the l
Solving Problems using Combinations
1.
Suppose a True-False test has 20 questions.
a) In how many ways may a student mark the test, if each question is answered?
b) In how many ways may a student mark the test, if 7 questions are marked correctly and
13 i
25/05/2012
Review: Probability Distributions
Name:
Review: Probability Distributions
Problem
1. A sailing club has eight 4.6- m boats, eleven 5.0- m boats, five 5.2- m boats, and five 6.1- m boats. These
boats are assigned randomly to members who want to
Review: Counting Techniques
Name:_
1. In how many ways can 8 CDs be arranged on a shelf?
2. In how many ways can a sorority of 20 members select a president, vice president and
treasury, assuming that the same person cannot hold more than one office.
3. A
Review: Sets
Multiple Choice
Identify the choice that best completes the statement or answers the question.
_
_
1. Let set be the set of face cards and
ment is true.
a.
b.
be the set of all spades in a regular deck of cards. State which state c.
d.
2. In
Worksheet: Binomial Distribution Problems
Problem
1. A manufacturer of electronics components produces precision resistors designed to have a tolerance of 1%.
From quality-control testing, the manufacturer knows that about one resistor in six is actually
Worksheet: Histograms
Name:_
1. You conduct a survey asking students how many CDs they own. The results are shown
in the histogram below. How many students own 11 to 15 CDs?
a)
b)
c)
d)
16
18
20
29
2. You conduct a survey asking students how many CDs they
Worksheet: Independent and Dependent Events
Multiple Choice
Identify the choice that best completes the statement or answers the question.
_
1. What is the probability that three standard dice rolled simultaneously will all land with the same the same
num
MDM4U Course Review
Multiple Choice
Identify the choice that best completes the statement or answers the question.
1. The number of patients treated in a dental office on Mondays was recorded for 11 weeks. What are the mean, me dian, and mode for this set
05/ 10/ 2012
W or ksheet : N r m al D t r i ut i n ( advanced)
o
s
i bo
Name :
Worksheet: Normal Di stri buti on (advanced)
Short Ans we r
1. Ravis math contest result put him in the 97th percentile. If 4000 students competed, how many had a
score higher
05/ 10/ 2012
W or ksheet : N r m al D t r i ut i n ( advanced)
o
s
i bo
Name : Answers
Score : 0 / 0 (0%)
[9 subjective questions not graded]
Worksheet: Normal Di stri buti on (advanced)
Short Ans we r
1. Ravis math contest result put him in the 97th perc
01/ 10/ 2012
W or ksheet : M easur es of Spr ead
Name : Answers
Score : 0 / 2 (0%)
[10 subjective questions not graded]
Worksheet: Measures of Spread
M ultiple Choice
Ident if y t he let t er of t he choice t hat best complet es t he st at ement or answer
01/ 10/ 2012
W or ksheet : M easur es of Spr ead
Name :
Worksheet: Measures of Spread
M ultiple Choice
Ident if y t he let t er of t he choice t hat best complet es t he st at ement or answers t he quest ion.
1. A set of five different whole numbers is ar