Question

I am having trouble understanding what he wants in this assignment. Please help thanks!

Statistics 325 Assignment 1 Spring 2019 Justify (explain) your answers 1. Give one possible sample of size 3 from each of the following populations. In other words, list 3 of the units that constitute the population described a) All the parishes in Louisiana; b) All the students at UL Lafayette; c) All daily newspapers published in the United States; d) All companies listed on the New York Stock Exchange 2. Identify the unit on which each of the following variables is measured and classify the variable as qualitative or quantitative. For example, for the variable "the age of a person" a person is a unit and the possible values of the variable are positive numbers representing Since these ages are numbers on the number line this is a quantitative variable a) The number of children in a family b) The size of the memory (RAM) in a laptop computer (measured in GB); c) The number of correct answers on a multiple choice exam; d) The color of the front entrance door of a house; e) The letter grade obtained by a student in a statistics class

Answer 1

You need to provide 3 units which exist in the population. For eg. if the population is "All the parishes in Louisiana", you need to provide the names of 3 parishes in Louisiana.

a)

(Lincoln Parish, Orleans Parish, Madison Parish)

All these parishes are in Louisiana.

b)

Name three students name from the UL Lafeyette. I believe you are from this college.

(Name 1, Name 2, Name 3)

c)

A sample of size 3 of the daily newspaper in United States is

(The New York Times, The Wall Street Journal,  The Washington Post)

d)

A sample of size 3 of the companies listed on NYSE is

(Google, Coca Cola, Ford Motors)

2.

a)

Unit is family. The number of children can be any positive integer including 0. Since this can be represented on number line, it is quantitative variable.

b)

Unit is laptop computer. The memory size can be any positive number. Since this can be represented on number line, it is quantitative variable.

c)

Unit is multiple choice exam. The number of correct answers can be any positive integer including 0. Since this can be represented on number line, it is quantitative variable.

d)

Unit is house. The color cannot be represented on number line, it is qualitative variable.

e)

Unit is student in a statistics class. The letter grade cannot be represented on number line, it is qualitative variable.