Statistics Chapter 1-4 Exam 1 Questions and Answers Verified Solutions Latest Update (2026/2027)

Statistics Chapter 1-4 Exam 1
Questions and Answers Verified
Solutions Latest Update (2026/2027)



Question:

Statistics

Answer:

is the science of collecting, organizing, summarizing, and analyzing
information




Question:

Data describes...

Answer:




Question:

describes characteristics of an individual
Data

Answer:




Question:

,is a fact or proposition to draw a conclusion/ make a decison
Descriptive statistics

Answer:




Question:

describes data through numerical summaries, tables and graphs
A statistic is a...

Answer:




Question:

numerical summary based on a sample
Inferential statistic

Answer:




Question:

use methods that take results from a sample, extends them to the
population, and measures the reliability of the result
The process of Stats (4)

Answer:

1. identify research/ objective
2. collect data
3. describe data
4. perform inference

,Question:

Population

Answer:




Question:

the entire group of individuals to be studied
Individual

Answer:




Question:

the person or object that is a member of the population being studied
Sample

Answer:




Question:

the subset of the population that is being tested
Parameter

Answer:

a numerical summary of a population (information from entire group)




Question:

Statistic

, Answer:

a numerical study of a sample (information from the subgroup)




Question:

Variables

Answer:

the characteristics of the individuals within the population (can vary)




Question:

Qualitative variables

Answer:

allow for classification of individuals based on some attribute or
characteristic




Question:

Example of qualitative

Answer:

phone number, jersey numbers




Question:

Quantitative variable

Answer: