Instruction 2.7 The ordered array below resulted from taking a sample of 25 batches of 500 computer chips and determining how many in each batch were defective. \[\begin{array}{l} \text { Defeds }\\ \begin{array} { | l | l | l | l | l | l | l | l | l | l | l | l | l | } \hline 1 & 2 & 4 & 4 & 5 & 5 & 6 & 7 & 9 & 9 & 12 & 12 & 15 \\ \hline 17 & 20 & 21 & 23 & 23 & 25 & 26 & 27 & 27 & 28 & 29 & 29 & \\ \hline \end{array} \end{array}\] -Referring to Instruction 2.7,construct a histogram for the defects data,using '0 but less than 5' as the first class.

The answer of Instruction 2.7 The ordered array below resulted from...

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 randomly sampled,_________of them would have lasted at least 15 minutes but less than 20 minutes.

A) 0.16 B) 10 C) 0.10 D) 16 A) 0.16 B) 10 C) 0.10 D) 16

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,if the sample is a good representation of the population,we can expect _________%t of the population will be males.

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

Instruction 2.7 The ordered array below resulted from taking a sample of 25 batches of 500 computer chips and determining how many in each batch were defective. \[\begin{array}{l} \text { Defeds }\\ \begin{array} { | l | l | l | l | l | l | l | l | l | l | l | l | l | } \hline 1 & 2 & 4 & 4 & 5 & 5 & 6 & 7 & 9 & 9 & 12 & 12 & 15 \\ \hline 17 & 20 & 21 & 23 & 23 & 25 & 26 & 27 & 27 & 28 & 29 & 29 & \\ \hline \end{array} \end{array}\] -Referring to Instruction 2.7,construct a relative frequency or percentage distribution for the defects data,using '0 but less than 5' as the first class.

\[\begin{array} { l l } \text { Defects

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,if the sample is a good representation of the population,we can expect _________% of the population will own a portable DVD.

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

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,what is the width of each class?

A) 5 minutes B) 100% C) 2% D) 1 minute A) 5 minutes B) 100% C) 2% D) 1 minute

Exam 2: Organising and Visualising Data

Figure 2.2 The histogram below represents scores achieved by 200 job applicants on a personality profile. -Referring to the histogram from Figure 2.2,90% of the job applicants scored above or equal to _________.

(Short Answer)

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Question 81

The percentage polygon is formed by having the lower boundary of each class represent the data in that class and then connecting the sequence of lower boundaries at their respective class percentages.

(True/False)

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Question 82

Instruction 2.7 The ordered array below resulted from taking a sample of 25 batches of 500 computer chips and determining how many in each batch were defective. Defeds 1 2 4 4 5 5 6 7 9 9 12 12 15 17 20 21 23 23 25 26 27 27 28 29 29 -Referring to Instruction 2.7,construct a histogram for the defects data,using '0 but less than 5' as the first class.

(Essay)

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Question 83

A _________is a summary table in which numerical data are tallied into class intervals or categories.

(Short Answer)

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Question 84

Relationships in a contingency table can be examined more fully if the frequencies are converted into_________.

(Short Answer)

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Question 85

Data on the number of credit hours of 20,000 students at a public university enrolled in the first semester were collected.Which of the following is the best for presenting the information?

(Multiple Choice)

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Question 86

A _________ is a vertical bar chart in which the rectangular bars are constructed at the boundaries of each class interval.

(Short Answer)

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Question 87

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 randomly sampled,_________of them would have lasted at least 15 minutes but less than 20 minutes.

(Multiple Choice)

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Question 88

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,_________of the 100 members visited the health club no more than 12 times in a year.

(Short Answer)

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Question 89

To present a good graph,one should avoid including _________ that will reduce the clarity of the graph.

(Short Answer)

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Question 90

If the values of the seventh and eighth class in a cumulative frequency distribution are the same,we know that there are no observations in the eighth class.

(True/False)

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Question 91

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,if the sample is a good representation of the population,we can expect _________%t of the population will be males.

(Short Answer)

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Question 92

Drill-down is a method of data discovery that involves revealing data that underlie a higher-level summary.

(True/False)

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Question 93

To determine the width of class interval,divide the number of class groups by the range of the data.

(True/False)

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Question 94

Instruction 2.7 The ordered array below resulted from taking a sample of 25 batches of 500 computer chips and determining how many in each batch were defective. Defeds 1 2 4 4 5 5 6 7 9 9 12 12 15 17 20 21 23 23 25 26 27 27 28 29 29 -Referring to Instruction 2.7,construct a relative frequency or percentage distribution for the defects data,using '0 but less than 5' as the first class.

(Essay)

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Question 95

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,if the sample is a good representation of the population,we can expect _________% of the population will own a portable DVD.

(Short Answer)

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Question 96

When comparing two or more large batches of numerical data,the distributions being developed should use the same _________.

(Short Answer)

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Question 97

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,what is the width of each class?

(Multiple Choice)

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Question 98

Instruction 2.7 The ordered array below resulted from taking a sample of 25 batches of 500 computer chips and determining how many in each batch were defective. Defeds 1 2 4 4 5 5 6 7 9 9 12 12 15 17 20 21 23 23 25 26 27 27 28 29 29 -Referring to Instruction 2.7,construct a cumulative percentage distribution for the defects data if the corresponding frequency distribution uses '0 but less than 5' as the first class.

(Essay)

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Question 99

In general,a frequency distribution should have at least eight class groups but no more than 20.

(True/False)

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Question 100

Figure 2.2 The histogram below represents scores achieved by 200 job applicants on a personality profile. -Referring to the histogram from Figure 2.2,90% of the job applicants scored above or equal to _________.

The percentage polygon is formed by having the lower boundary of each class represent the data in that class and then connecting the sequence of lower boundaries at their respective class percentages.

A _________is a summary table in which numerical data are tallied into class intervals or categories.

Relationships in a contingency table can be examined more fully if the frequencies are converted into_________.

Data on the number of credit hours of 20,000 students at a public university enrolled in the first semester were collected.Which of the following is the best for presenting the information?

A _________ is a vertical bar chart in which the rectangular bars are constructed at the boundaries of each class interval.

To present a good graph,one should avoid including _________ that will reduce the clarity of the graph.

If the values of the seventh and eighth class in a cumulative frequency distribution are the same,we know that there are no observations in the eighth class.

Drill-down is a method of data discovery that involves revealing data that underlie a higher-level summary.

To determine the width of class interval,divide the number of class groups by the range of the data.

When comparing two or more large batches of numerical data,the distributions being developed should use the same _________.

In general,a frequency distribution should have at least eight class groups but no more than 20.

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