Question

**Costco wants to know if there is any way they can
improve work conditions for their employees. Using its employee
roaster, Costco randomly selects 40 employees and asks them a few
questions. (2 points)**

**1. Identify the sampling method that was used (simple
random sample, systematic, stratified, cluster,
convenience).**

**2. Please explain your conclusion.**

**At Citrus College, students were separated into groups
based on their favorite movie genre (comedy, horror, action,
adventure, romance, etc.). Five were randomly selected from each
group and asked to list their top three favorite movies. (2
points)**

**1. Identify the sampling method that was used (simple
random sample, systematic, stratified, cluster,
convenience).**

**2. Please explain your conclusion.**

Answer #1

**1.** Using it's employee roster, Costco randomly
selects 40 employees and asks them a few questions.

The sampling method that was used is **simple random
sample.**

In this type of sampling , n number of individuals are selected randomly from a group of individuals.

In this type of sampling, every individual has an equal chance to be selected.

**2.** At Citrus College, students were separated
into groups based on their favorite movie genre. Five were selected
from each group and asked their top three favorite movies.

This type of sampling is called **stratified sampling
method.**

In stratified sampling method, the entire population is divided into groups called as strata. Then the n number of individuals are selected from each strata to form a sample.

Here all students in college are separated into groups that is strata. Then five students are selected from each strata.

Chapter 1 Assessment For problems 1 – 5, determine the level of
measurement (nominal, ordinal, interval, ratio) for each of the
variables listed. Please note: each level of measurement may be
used more than once, or not at all. 1. (1 point) Names of patients
visiting a walk-in clinic 2. (1 point) The severity of the
patient’s pain level (low, moderate, high) 3. (1 point) The
patient’s annual household income, in U.S. dollars 4. (1 point) The
patient’s weight, in...

1. Identify the type of data that would be used to describe a
response, and give an example of the data. (Qualitative,
Quantitative Discrete, Quantitative Continuous)
a. Number of books you read this semester.
b. The height of a baseball player in UHV baseball team.
c. The time it takes to drive to campus.
2. The marketing manager for an electronics chain store wants
information about the ages of its customers. Over the next two
weeks, at each store location,...

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