The number of people in New York

Worksheet 1 Introduction
Terminology
Answer 1
a) The 1,500 selected New Yorkers is called the sample.
b) All New Yorkers make up the population.
c) This study is an example of inferential statistics.
d) The sample size is 1500.
e) The population size is the number of people in New York.
f) The value of n is 1500.
g) If the sample were taken from Brooklyn, it would be biased.
h) The symbol n is a statistic.
i) The symbol N is a parameter.
j) If every New Yorker had an equal chance of being selected, the process is called random.
Answer 2
a) The number of students in a large sample-statistic.
b) The number of students in an entire population of interest-parameter.
c) n-statistic.
d) μ-parameter.

Sampling Methods
Answer 3
a) some voters are chosen from each city on Long Island-Stratified Sampling
b) every item in the population has an equal chance of being selected-Random Sampling.
c) Every 7th person who passes by is selected-Systematic Sampling.
d) All citizen in NYS are contacted for information. – Complete Enumeration
e) Every individual in the population is in the sample-Complete Enumeration (Census)
f) All voters in 2 randomly selected countries are contacted-Cluster Sampling.
Answer 4
a) True.
b) False.
c) False.
d) False
e) False.
f) True.
g) True.
h) False.
i) True.
Data Types
Answer 5
a) The number of children a person has-Quantitative.