ELEMENTARY STATISTICS PROFESSIONAL
EVALUATION EXAMS BUNDLED
QUESTIONS AND SOLUTIONS
GUARANTEED TO PASS
●● What are the two main types of statistics?
Answer: Descriptive statistics (or 'univariate') and inferential statistics
(or 'analytical').
●● What is a population in statistics?
Answer: The complete collection of all individuals (scores, people,
measurements, etc.) to be studied.
●● What is a sample in statistics?
Answer: A subcollection of members selected from a population.
●● What is a census?
Answer: The collection of data from every member of a population.
●● What is the difference between a parameter and a statistic?
Answer: A parameter is a numerical measurement describing a
characteristic of a population, while a statistic describes a characteristic
of a sample.
, ●● What is quantitative data?
Answer: Quantitative (or numerical) data consists of numbers
representing counts or measurements.
●● What is qualitative data?
Answer: Qualitative (categorical or attribute) data consists of names or
labels representing categories.
●● What is discrete data?
Answer: Discrete data results when the number of possible values is
either a finite number or a 'countable' number.
●● What is continuous data?
Answer: Continuous data can take any value within a given range and is
not restricted to separate values.
●● Why study statistics?
Answer: Statistics are used to describe data, make decisions that affect
our lives, and are essential in many professional fields.
●● What factors should be considered when analyzing statistical data?
Answer: Context of the data, source of the data, sampling method,
conclusions, and practical implications.
EVALUATION EXAMS BUNDLED
QUESTIONS AND SOLUTIONS
GUARANTEED TO PASS
●● What are the two main types of statistics?
Answer: Descriptive statistics (or 'univariate') and inferential statistics
(or 'analytical').
●● What is a population in statistics?
Answer: The complete collection of all individuals (scores, people,
measurements, etc.) to be studied.
●● What is a sample in statistics?
Answer: A subcollection of members selected from a population.
●● What is a census?
Answer: The collection of data from every member of a population.
●● What is the difference between a parameter and a statistic?
Answer: A parameter is a numerical measurement describing a
characteristic of a population, while a statistic describes a characteristic
of a sample.
, ●● What is quantitative data?
Answer: Quantitative (or numerical) data consists of numbers
representing counts or measurements.
●● What is qualitative data?
Answer: Qualitative (categorical or attribute) data consists of names or
labels representing categories.
●● What is discrete data?
Answer: Discrete data results when the number of possible values is
either a finite number or a 'countable' number.
●● What is continuous data?
Answer: Continuous data can take any value within a given range and is
not restricted to separate values.
●● Why study statistics?
Answer: Statistics are used to describe data, make decisions that affect
our lives, and are essential in many professional fields.
●● What factors should be considered when analyzing statistical data?
Answer: Context of the data, source of the data, sampling method,
conclusions, and practical implications.
