Question

Match the following descriptions with the correct sampling technique.

- A sample in which every group of n items is equally likely.

A sample in which the population is divided into groups, and then a random sample is taken from each.

- A sample in which every member has an equally likely chance of selection.

- A sample where a few groups are randomly selected, and then each member of those groups are measured.

- A sample where the first item is chosen at random, and then every k^th item is chosen after that.

A. RANDOM B. SYSTEMATIC C. STRATIFIED D. SIMPLE RANDOM E. CLUSTER

Answer #1

- A sample in which every group of n items is equally likely. : D. SIMPLE RANDOM

A sample in which the population is divided into groups, and then a
random sample is taken

from each. C. STRATIFIED

A sample in which every member has an equally likely chance of selection : A. RANDOM

- A sample where a few groups are randomly selected, and then each member of those groups are measured. : E. CLUSTER

A sample where the first item is chosen at random, and then every k^th item is chosen after that.

C. STRATIFIED

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

What is Probability Sampling? Group of answer choices .
a. is a technique in which every unit in the population has a
chance (non-zero probability) of being selected in the sample, and
this chance can be accurately determined. Sample statistics thus
produced, such as sample mean or standard deviation, are unbiased
estimates of population parameters, as long as the sampled units
are weighted according to their probability of selection.
b.is a technique where all possible subsets of a population
(more...

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...

In a systematic sample a random starting point is chosen, and
Multiple Choice
Each item in the population has a chance of being selected more
than once
The population is divided into groups and then samples are drawn
from these groups
Each item in a list has a 50% chance of being selected
Every kth item thereafter is selected for the sample

Suppose a famous person reads every 12th letter of the
45 thousand letters coming in weekly. What type of sampling design
is the person using in this case? Explain your answer.
What type of sampling is used?
A.
The person is using simple random sampling because a random letter
is chosen each week.
B.
The person is using cluster sampling, where each week is a cluster
of letters.
C.
The person is using convenience sampling because the letter chosen
is...

1- When we perform ______________, an element of a population
always has a chance of being chosen at each point of selection.
Stratified random sampling
Sampling with replacement
Sampling without replacement
Cluster sampling
2-__________ sampling is defined as sampling where we know the
chance that each element in the population will be included in the
sample.
Judgment
Convenience
Nonrandom
Probability

____
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...

1. The difference between a sample mean and the population mean
or the difference between the means of two random samples is
called: A. nonresponse error. B. selection bias. C. sampling error.
D. nonsampling error.
2. The manager of the customer service division of a major
consumer electronics company is interested in determining whether
the customers who have purchased a videocassette recorder over the
past 12 months are satisfied with their products. If there are 4
different brands of videocassette...

Five different sampling methods are described below.
Choose the one that defines stratified sampling.
1. Select members of a population by asking for volunteers, or
otherwise find a sample that is easy to obtain and is not based on
randomness or chance.
2. Order the population, select a random starting point and
interval, then select individuals every interval from the starting
point until the desired sample size is achieved.
3. Take a sample of size ?n from a population in...

If each individual in the population is equally likely to be
included in the sample, the sample is called a • A. equalized
sample. • B. stratified sample. • C. repeated measure design. • D.
random sample. I am not sure why the answer is not A- equalized
sample. In Munro p.13 it states, “In equal random sampling, each
person in the population has the same probability of being chosen
to be in the sample.” Random sampling has a different...

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