a) In each of the following situations, indicate whether the
potential bias is a selection bias, a nonparticipation
bias, or a response bias. Explain how this is an example of the
particular type of bias in a
complete sentence.
In a college town, college students are hired to conduct door to
door interviews to determine whether
city residents think there should be a law forbidding loud music at
parties.
A magazine sends a survey to a random sample of its...
Identify the sampling techniques used, and discuss potential
sources of bias (if any). Explain.
1. In 1965, researchers used random digit dialing to call 1200
people and ask what obstacles kept them from eating healthier.
A. Simple random sampling was used since each number had an
equal chance of being dialed, so all samples of 1200 phone numbers
had an equal chance of being selected.
B. Cluster sampling was used since the phone numbers were
divided into groups, several groups...
Which of the following factors could result in you increasing
your profit margin on a potential bid. a. Location of the project
b. who the architect is c. the subcontractors d. who the owner is
e. all of the above
3. An adjustment will need to be made to the total bid bond cost
when. a. The contract bid amount changes b. The project duration is
under 12 months c. The project duration is over 12 months d. A
&...
Match each example to the type of bias that would result
.
A researcher wants to know what proportion of AZ residents
support light rail expansion. S/he arranges a two-month
study period during which every single customer who boards the
light rail must complete a survey
-
A researcher want to know how many hours per week the average
physician works. S/he mails a survey to every single medical
student in the US and receives responses from tens...
For each of the following potential misstatements, provide one
potential audit test that could be used to detect the
misstatement.
• Sales included in the journals for
which there was no shipment
• Sale recorded more than once
• Shipments made to nonexistent
customers and recorded as sales
What type of bias is indicated by each of the following? If
there is not bias, then put down 'no bias'.
a Portions of the population are excluded from the sample.
b Information from the sample is typical of information in the
population.
c Information from the sample overemphasizes a particular
stratum of the population
d Those responding to a survey or poll differ systematically
from the nonrespondents.
2. For each of the following scenarios,
determine if it is an indicator of potential cash flow
problems:
(Hint: Review Chapter 5 PowerPoint notes on Slide 20 and
Textbook on Pages 366-367.)
Potential future cash
flow problems
Yes/No
a.
Growth in accounts receivable or inventories that is less the
growth rate in sales.
b.
Increases in accounts payable that exceed the increase in
inventories.
c.
Capital expenditures that substantially exceed cash flow from
operations.
d.
Sales of marketable securities are...