Chapter 1 Flashcards

1
Q

A science dealing with the collection, analysis, interpretation, and presentation of numerical data is called statistics_____________.

A

Statistics

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2
Q

One way to subdivide the field of statistics is into the two branches

A

Descriptive, Inferential

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3
Q

A collection of persons, objects or items of interest is a

A

Population

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4
Q

Data gathered from a whole population is called a

A

Census

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5
Q

If a population consists of all the radios produced today in the Akron facility and if a quality control inspector randomly selects forty of the ratios, the group of forty is referred to as

A

Sample

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6
Q

If data are used to reach conclusions only about the group from which the data are gathered, then the statistics are referred to as

A

Descriptive

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7
Q

If data are gathered from a subgroup of a larger group and the data are used to reach conclusions about the larger group, then the statistics are said to be

A

Inferential

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8
Q

Another name for inferential statistics is

A

Inductive

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9
Q

Descriptive measures which are usually denoted by Greek letters are called

A

Parameters

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10
Q

A characteristic of any entity being studied that is capable of taking on different values is

A

Variable

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11
Q

When a standard process is used to assign numbers to particular attributes or characteristics of a variable, it is called

A

Measurement

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12
Q

Recorded measurements are

A

Data

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13
Q

The highest level of data measurement is

A

Ratio

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14
Q

The level of data measurement used when ranking items is

A

Ordinal

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15
Q

. If a number represents the geographic location of a business, then the level of data represented by the number is probably

A

Nominal

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16
Q
  1. If the data being gathered are only ordinal level data, then the researcher should only use statistics to analyze the data.
A

Nonparametric

17
Q

The ages of managers of fast-food restaurants.

A

Ratio

18
Q

An employee’s identification number.

A

Nominal

19
Q

The number of freight cars per train for five hundred trains.

A

Ratio

20
Q

The elevation of a town.

A

Interval

21
Q

The number of feet it takes a car to stop going fifty miles per hour.

A

Ratio

22
Q

The number of ounces of orange juice consumed by each Floridian in the morning.

A

Ratio

23
Q

The volume of wheat in each silo in Nebraska in August.

A

Ratio

24
Q

A rating scale of the productivity of each worker which has as its adjectives: very poor, poor, average, good, outstanding.

A

Ordinal

25
Q

A person’s religious preference.

A

Nominal

26
Q

Weights of statistics’ textbooks.

A

Ratio

27
Q

Years of experience on the job.

A

Ratio

28
Q

Number representing a worker’s assignment to the red team, blue team, or green team at work where the red team is considered the top workers, the green team is considered the least productive workers, and the blue team is for workers in the middle.

A

Ordinal

29
Q

____________________ is the application of processes and techniques that transforms raw data into meaningful information to improve decision-making.

A

Business Analytics

30
Q

A collection of large and complex datasets from different sources that are difficult to process using traditional data management and processing applications is referred to
as _________________.

A

Big Data

31
Q

The collecting, exploring, and analyzing of large volumes of data in an effort to uncover hidden patterns and/or relationships that can be used to enhance business decision-making is ______________________.

A

Data Mining

32
Q

The study of the visual representation of data intended to convey data or information by imparting it as visual objects displayed in graphics is called

A

Data Visualization