Question

Identify the sampling strategy used in each scenario. Select from simple random, systematic, stratified, cluster, convenience, or state that this is not a random sampling strategy.

a. Names are written on ping-pong balls, then the balls are mixed and drawn at random.

b. The population of those on campus are divided into students, faculty, and staff. A proportional number are then randomly selected using simple random sampling from each of the three groups.

c. Individuals are lined up and every third individual is chosen.

d. Individuals are numbered and technology is used to randomly select the desired quantity of random numbers within a specified range.

e. To survey students, a random selection of classes are selected and every student in each class is given a survey to complete.

f. Individuals are approached and asked to complete a survey. Those who are willing to respond are included in the sample.

Answer #1

Identify the type of sampling used (random, systematic,
convenience, stratified, or cluster sampling) in the situation
described below. A researcher selects every 847 th social security
number and surveys the corresponding person.

Identify which of these types of sampling is used: random,
systematic, convenience, stratified, or cluster.
A large company wants to administer a satisfaction survey to its
current customers. Using their customer database, the company
randomly selects
5050
customers and asks them about their level of satisfaction with
the company.

Identify the type of sampling used: random, systematic,
convenience, stratified, or cluster.
To estimate the percentage of defects in a recent manufacturing
batch, a quality control manager at IBM selects every the 12th
computer that comes off the assembly line starting with the until
she obtains a sample of 90 computers

What is the type of sampling method used for the following. Is
it Systematic, Stratified, Cluster or None of these? Is it a random
sample, yes, no , or not enough info?
I randomly select 10 male and 10 female students to be in a survey
on whether or not they like my statistics class.
Does this qualify as a random sample?
Yes No not enough information

A. Systematic Sample
B. Simple Random Sample
C. Convenience Sample
D. Multi-Stage Sample
E. Stratified Sample
F. Cluster Sample
1. Among your friends who took the exam, select 4 of them
completely at random.
2. Obtain an alphabetical list of
all students who took the exam. Starting with the 6th student on
the list, survey every 14th student.
3. Randomly choose 4 of the 14
sections, and survey every student from those 4 sections.
4. Choose a set of 42...

Identify the sampling technique used in the study. Choose either
simple random, clustered, stratified, systematic, or
convenience.
1. A community college student interviews everyone in a
statistics class to determine the percentage of students that own a
car.

____
Simple Random Sample
____
Cluster sample
____
Systematic sample
____
Stratified sample
1.
While this type of sampling is very eacy to carry out, and hence
saves time and money, it can very easily yield samples which are
non-representative of the population, unintentionally. Often, data
comes "in cycles", where the beginning and the end of each cycle is
"atypical". If the "kth" individual is picked at the beginning or
at the end of a cycle more often than a...

Classify each sample as Random, Systematic, Stratified, Cluster
or other?
All fast food workers at a randomly selected fast food
restaurants are selected and asked how many hours per week they
work.
Every 100th hamburger manufactured is checked to
determine its fat content.
Mail carriers of a large city are divided into four groups
according to gender (male or female) and according to whether they
walk or ride on their routes. Then 10 are selected from each group
and interviewed...

Identify which sampling technique was used to select the given
sample. Every 175th racquetball manufactured is selected to
measured its radius.
A)Random
B)Systematic
C)Stratified
D)Cluster

Which is better, a score of 90 on a test with a mean of 71 and a
standard deviation of 15, or a score of 688 on a test with a mean
of 493 and a standard deviation of 150?
Question 5 options:
a)
none of the above
b)
a score of 688
c)
Both scores have the same position in the distribution.
d)
a score of 90
Question 6 (1 point)
Identify and circle the type of sampling used...

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