Instruction 2.4 The following are the durations in minutes of a sample of long-distance phone calls made within Australia reported by one long-distance carrier. \[\begin{array} { | l | l | } \hline \text { Time (in Minutes) } & \text { Relative Frequency } \\ \hline0 \text { but less than 5 } & 0.37 \\ \hline 5 \text { but less than 10 } & 0.22 \\ \hline \begin{array} { l } 10 \text { but less than } \\ 15 \end{array} & 0.15 \\ \hline \begin{array} { l } 15 \text { but less than } \\ 20 \end{array} & 0.10 \\ \hline \begin{array} { l } 20 \text { but less than } \\ 25 \end{array} & 0.07 \\ \hline \begin{array} { l } 25 \text { but less than } \\ 30 \end{array} & 0.07 \\ \hline 30 \text { or more } & 0.02 \\ \hline \end{array}\] -Referring to Instruction 2.4,if 100 calls were sampled,_________ of them would have lasted 20 minutes or more.

A) 26 B) 74 C) 16 D) None of the above. A) 26 B) 74 C) 16 D) None of the above.

Instruction 2.9 A sample of 200 students at a large university was taken after the final exam to ask them whether they went out on the weekend before the exam or spent the weekend studying, and whether they did well or poorly on the exam. The following table contains the result. \[\begin{array} { | l | l | l | } \hline & \text { Did Well on Exam } & \text { Did Poorly on Exam } \\ \hline \text { Studying for Exam } & 80 & 20 \\ \hline \text { Went out on the weekend } & 30 & 70 \\ \hline \end{array}\] -Referring to Instruction 2.9,of those who did well on the exam in the sample,_________ % of them went out on the weekend before the exam.

A) 30 B) 50 C) 15 D) 27.27 A) 30 B) 50 C) 15 D) 27.27

Instruction 2.10 The table below contains the opinions of a sample of 200 people broken down by gender about the latest government plan to eliminate restraint of trade exemptions for professional sporting leagues. \[\begin{array} { | l | l | l | l | l | } \hline & \text { For } & \text { Netural } & \text { Ageinst } & \text { Totals } \\ \hline \text { Female } & 38 & 54 & 12 & 104 \\ \hline \text { Male } & 12 & 39 & 48 & 96 \\ \hline \text { Totals} & 50 & \mathbf { 5 0 } & 60 & 200 \\ \hline \end{array}\] -Referring to Instruction 2.10,_________% of the 200 were males.

The answer of Instruction 2.10 The table below contains the opinions...

Instruction 2.11 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. \[\begin{array} { | l | l | l | } \hline \begin{array} { l } \text { Own a Portable } \\ \text { DVD Player } \end{array} & \text { Male } & \text { Fermale } \\ \hline \text { Yes } & 96 & 40 \\ \hline \text { No } & 224 & 240 \\ \hline \end{array}\] -Referring to Instruction 2.11,_________ % of the 600 were females who owned a portable DVD.

The answer of Instruction 2.11 The table below contains the number...

Instruction 2.11 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. \[\begin{array} { | l | l | l | } \hline \begin{array} { l } \text { Own a Portable } \\ \text { DVD Player } \end{array} & \text { Male } & \text { Fermale } \\ \hline \text { Yes } & 96 & 40 \\ \hline \text { No } & 224 & 240 \\ \hline \end{array}\] -Referring to Instruction 2.11,_________% of the 600 owned a portable DVD.

The answer of Instruction 2.11 The table below contains the number...

Instruction 2.10 The table below contains the opinions of a sample of 200 people broken down by gender about the latest government plan to eliminate restraint of trade exemptions for professional sporting leagues. \[\begin{array} { | l | l | l | l | l | } \hline & \text { For } & \text { Netural } & \text { Ageinst } & \text { Totals } \\ \hline \text { Female } & 38 & 54 & 12 & 104 \\ \hline \text { Male } & 12 & 39 & 48 & 96 \\ \hline \text { Totals} & 50 & \mathbf { 5 0 } & 60 & 200 \\ \hline \end{array}\] -Referring to Instruction 2.10,_________% of the 200 were not neutral.

The answer of Instruction 2.10 The table below contains the opinions...

Instruction 2.11 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. \[\begin{array} { | l | l | l | } \hline \begin{array} { l } \text { Own a Portable } \\ \text { DVD Player } \end{array} & \text { Male } & \text { Fermale } \\ \hline \text { Yes } & 96 & 40 \\ \hline \text { No } & 224 & 240 \\ \hline \end{array}\] -Referring to Instruction 2.11,of those who owned a portable DVD in the sample,_________ % were females.

The answer of Instruction 2.11 The table below contains the number...

Instruction 2.9 A sample of 200 students at a large university was taken after the final exam to ask them whether they went out on the weekend before the exam or spent the weekend studying, and whether they did well or poorly on the exam. The following table contains the result. \[\begin{array} { | l | l | l | } \hline & \text { Did Well on Exam } & \text { Did Poorly on Exam } \\ \hline \text { Studying for Exam } & 80 & 20 \\ \hline \text { Went out on the weekend } & 30 & 70 \\ \hline \end{array}\] -Referring to Instruction 2.9,if the sample is a good representation of the population,we can expect _________% of those who spent the weekend studying to do poorly on the exam.

A) 20 B) 10 C) 50 D) 45 A) 20 B) 10 C) 50 D) 45

Exam 2: Organising and Visualising Data

Given below is the scatter plot of the market value (thousands$)and profit (thousands$)of 50 Australian companies.Higher market values appear to be associated with higher profits.

(True/False)

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Question 41

Sarah is reviewing a report on her company's annual performance.In the report,the key indicators are visualized using devices that resemble a car's speedometer.The report Sarah is reviewing uses _________to present data.

(Short Answer)

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Question 42

Instruction 2.6 The frequency distribution below represents the rents of 250 randomly selected federally subsidised apartments in Sydney. Rent in \ Frequency 300 but less than 400 113 400 but less than 500 85 500 but less than 600 32 600 but less than 700 16 700 but less than 800 4 -Referring to Instruction 2.6,the percentage of apartments renting for less than $600 is _________.

(Short Answer)

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Question 43

Instruction 2.4 The following are the durations in minutes of a sample of long-distance phone calls made within Australia reported by one long-distance carrier. Time (in Minutes) Relative Frequency 0 but less than 5 0.37 5 but less than 10 0.22 10 but less than 15 0.15 15 but less than 20 0.10 20 but less than 25 0.07 25 but less than 30 0.07 30 or more 0.02 -Referring to Instruction 2.4,if 100 calls were sampled,_________ of them would have lasted 20 minutes or more.

(Multiple Choice)

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Question 44

Instruction 2.9 A sample of 200 students at a large university was taken after the final exam to ask them whether they went out on the weekend before the exam or spent the weekend studying, and whether they did well or poorly on the exam. The following table contains the result. Did Well on Exam Did Poorly on Exam Studying for Exam 80 20 Went out on the weekend 30 70 -Referring to Instruction 2.9,of those who did well on the exam in the sample,_________ % of them went out on the weekend before the exam.

(Multiple Choice)

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Question 45

Instruction 2.10 The table below contains the opinions of a sample of 200 people broken down by gender about the latest government plan to eliminate restraint of trade exemptions for professional sporting leagues. For Netural Ageinst Totals Female 38 54 12 104 Male 12 39 48 96 Totals 50 60 200 -Referring to Instruction 2.10,_________% of the 200 were males.

(Short Answer)

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Question 46

Inappropriate graphs raise _________concerns,especially when they,deliberately or not,present a false impression of the data.

(Short Answer)

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Question 47

Data on the number of part-time hours students at a public university worked in a week were collected.Which of the following is the best chart for presenting the information?

(Multiple Choice)

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Question 48

Instruction 2.11 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. Own a Portable DVD Player Male Fermale Yes 96 40 No 224 240 -Referring to Instruction 2.11,_________ % of the 600 were females who owned a portable DVD.

(Short Answer)

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Question 49

Instruction 2.11 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. Own a Portable DVD Player Male Fermale Yes 96 40 No 224 240 -Referring to Instruction 2.11,_________% of the 600 owned a portable DVD.

(Short Answer)

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Question 50

Instruction 2.6 The frequency distribution below represents the rents of 250 randomly selected federally subsidised apartments in Sydney. Rent in \ Frequency 300 but less than 400 113 400 but less than 500 85 500 but less than 600 32 600 but less than 700 16 700 but less than 800 4 -Referring to Instruction 2.6,_________% of the apartments rented for no less than $600.

(Short Answer)

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Question 51

Instruction 2.10 The table below contains the opinions of a sample of 200 people broken down by gender about the latest government plan to eliminate restraint of trade exemptions for professional sporting leagues. For Netural Ageinst Totals Female 38 54 12 104 Male 12 39 48 96 Totals 50 60 200 -Referring to Instruction 2.10,_________% of the 200 were not neutral.

(Short Answer)

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Question 52

Instruction 2.2 At a meeting of information systems officers for regional offices of a national company, a survey was taken to determine the number of employees the officers supervise in the operation of their departments, where X is the number of employees overseen by each information systems officer. x f 1 7 2 5 3 11 4 8 5 9 -Referring to Instruction 2.2,how many regional offices are represented in the survey results?

(Multiple Choice)

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Question 53

Instruction 2.11 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. Own a Portable DVD Player Male Fermale Yes 96 40 No 224 240 -Referring to Instruction 2.11,of those who owned a portable DVD in the sample,_________ % were females.

(Short Answer)

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Question 54

Instruction 2.9 A sample of 200 students at a large university was taken after the final exam to ask them whether they went out on the weekend before the exam or spent the weekend studying, and whether they did well or poorly on the exam. The following table contains the result. Did Well on Exam Did Poorly on Exam Studying for Exam 80 20 Went out on the weekend 30 70 -Referring to Instruction 2.9,if the sample is a good representation of the population,we can expect _________% of those who spent the weekend studying to do poorly on the exam.

(Multiple Choice)

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Question 55

Histograms are used for numerical data while bar charts are suitable for categorical data.

(True/False)

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Question 56

You have collected data on the monthly seasonally adjusted unemployment rate for Australia from 2010 to 2018.Which of the following is the best for presenting the data?

(Multiple Choice)

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Question 57

Instruction 2.1 An insurance company evaluates many numerical variables about a person before deciding on an appropriate rate for automobile insurance. A representative from a local insurance agency selected a random sample of insured drivers and recorded, X, the number of claims each made in the last three years, with the following results. X f 1 14 2 18 3 12 4 5 5 1 -Referring to Instruction 2.1,how many total claims are represented in the sample?

(Multiple Choice)

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Question 58

Instruction 2.5 The Stem-and-Leaf display below contains data on the number of months between the date a civil suit is filed and when the case is actually adjudicated for 50 cases heard in the Supreme Court of Victoria. Stem Leaves 1 23444 1 7899 2 2222345 5 2 678889 3 001113 3 5778 4 0234 4 5579 5 1124 5 66 6 15 6 8 Note: 1L means the 'low teens' - 10, 11, 12, 13, or 14; 1H means the 'high teens' - 15, 16, 17, 18, or 19; 2L means the 'low twenties' - 20, 21, 22, 23, or 24, etc. -Referring to Instruction 2.5,if a frequency distribution with equal-sized classes was made from this data,and the first class was '10 but less than 20',the relative frequency of the third class would be _________.

(Short Answer)

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Question 59

When polygons or histograms are constructed,which axis must show the true zero or 'origin'?

(Multiple Choice)

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Question 60

Given below is the scatter plot of the market value (thousands$)and profit (thousands$)of 50 Australian companies.Higher market values appear to be associated with higher profits.

Sarah is reviewing a report on her company's annual performance.In the report,the key indicators are visualized using devices that resemble a car's speedometer.The report Sarah is reviewing uses _________to present data.

Inappropriate graphs raise _________concerns,especially when they,deliberately or not,present a false impression of the data.

Data on the number of part-time hours students at a public university worked in a week were collected.Which of the following is the best chart for presenting the information?

Instruction 2.11 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. Own a Portable DVD Player Male Fermale Yes 96 40 No 224 240 -Referring to Instruction 2.11,_________ % of the 600 were females who owned a portable DVD.

Instruction 2.11 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. Own a Portable DVD Player Male Fermale Yes 96 40 No 224 240 -Referring to Instruction 2.11,_________% of the 600 owned a portable DVD.

Instruction 2.11 The table below contains the number of people who own a portable DVD player in a sample of 600 broken down by gender. Own a Portable DVD Player Male Fermale Yes 96 40 No 224 240 -Referring to Instruction 2.11,of those who owned a portable DVD in the sample,_________ % were females.

Histograms are used for numerical data while bar charts are suitable for categorical data.

You have collected data on the monthly seasonally adjusted unemployment rate for Australia from 2010 to 2018.Which of the following is the best for presenting the data?

When polygons or histograms are constructed,which axis must show the true zero or 'origin'?

Defining and Collecting Data

Numerical Descriptive Measures

Basic Probability

Some Important Discrete Probability Distributions

The Normal Distribution and Other Continuous Distributions

Sampling Distributions

Confidence Interval Estimation

Fundamentals of Hypothesis Testing: One-Sample Tests

Hypothesis Testing: Two-Sample Tests

Analysis of Variance

Simple Linear Regression

Introduction to Multiple Regression

Time-Series Forecasting and Index Numbers

Chi-Square Tests

Multiple Regression Model Building

Decision Making

Statistical Applications in Quality Management

Further Non-Parametric Tests

Filters