ELEMENTARY STATISTICS EXAM 4
COMPREHENSIVE REVIEW SHEET
VERIFIED QUESTION BANK
●● Sample
Answer: Consist of subset of a population
●● Data
Answer: Information that is gathered from observations, counts,
measurements, or responses is called data.
●● Data set
Answer: a collection of data
●● Statistics (the science)
Answer: the science of collecting, organizing, analyzing, and
interpreting data in order to make decisions.
●● Determine whether that data set represents a population or a sample:
The heights of all the students in a particular 10th grade class at Central
High School.
,Answer: Population
●● The test scores of 50 randomly selected students from the 10th grade
at Central High School.
Answer: Sample
●● Distinguish between population and sample:
A company produces 10,000 light bulbs every month. To ensure quality,
the company test 200 light bulbs for defects each month.
1. Define the population
2. Define the sample
Answer: 1. 10,000 light bulbs every month
2. 200 light bulbs tested
●● Numerical
Answer: age, weight, height
●● Non-numerical
Answer: eye color, nationality, hair color
●● Parameter
, Answer: numerical summary of a population characteristic or attribute.
ex: Average age of all people in the United States
●● statistics (the sample)
Answer: a numerical description of a sample characteristic or attribute.
ex: Average age of people from a sample of 3 states.
●● Distinguish between parameter and statistics:
the average score of all students in the class is 85
Answer: Parameter
●● Distinguish between parameter and statistics:
a survey is conducted where 30 randomly selected students from a
school are asked about their favorite subject
Answer: Statistics
●● Distinguish between parameter and statistics:
COMPREHENSIVE REVIEW SHEET
VERIFIED QUESTION BANK
●● Sample
Answer: Consist of subset of a population
●● Data
Answer: Information that is gathered from observations, counts,
measurements, or responses is called data.
●● Data set
Answer: a collection of data
●● Statistics (the science)
Answer: the science of collecting, organizing, analyzing, and
interpreting data in order to make decisions.
●● Determine whether that data set represents a population or a sample:
The heights of all the students in a particular 10th grade class at Central
High School.
,Answer: Population
●● The test scores of 50 randomly selected students from the 10th grade
at Central High School.
Answer: Sample
●● Distinguish between population and sample:
A company produces 10,000 light bulbs every month. To ensure quality,
the company test 200 light bulbs for defects each month.
1. Define the population
2. Define the sample
Answer: 1. 10,000 light bulbs every month
2. 200 light bulbs tested
●● Numerical
Answer: age, weight, height
●● Non-numerical
Answer: eye color, nationality, hair color
●● Parameter
, Answer: numerical summary of a population characteristic or attribute.
ex: Average age of all people in the United States
●● statistics (the sample)
Answer: a numerical description of a sample characteristic or attribute.
ex: Average age of people from a sample of 3 states.
●● Distinguish between parameter and statistics:
the average score of all students in the class is 85
Answer: Parameter
●● Distinguish between parameter and statistics:
a survey is conducted where 30 randomly selected students from a
school are asked about their favorite subject
Answer: Statistics
●● Distinguish between parameter and statistics:
