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WorksheetsResearch Methodology
Total questions: 20
Worksheet time: 10mins
A hypothesis is a
Law
Canon
postulate
supposition
The total sum of squares in ANOVA may be partitioned into two parts: Within‑groups sum of squares and the (a) sum of squares.
The null hypothesis in a t‑test of means of two independent samples would be :
x_1=x_2
\mu _1=\mu _2
\sigma _1=\sigma _2
All the above
A survey question about gender, to be answered with either "M" or "F," represents an
categorical variable
unknown variable
dependent variable
continuous variable
Which of the following provides a greater understanding of a concept or crystallizes a business problem, rather than providing quantification or precise measurement?
Causal research
Exploratory research
Descriptive research
Conclusive research
The simplest form of secondary data research is:
fact finding
data conversion
model building.
input management.
Generally, a company's own accounting records:
are not considered a useful source of data.
are an important source of external secondary data
can be easily compared to those of foreign companies, since accounting procedures worldwide are similar
are considered internal and proprietary data.
If a response to a survey question asks the respondent to say whether he or she is “under 35 or over 35”, this is an example of a(n):
structured question.
disguised question.
cross-sectional question..
longitudinal question.
If 800 people are mailed a survey and 230 of them return it to the researcher, the survey is said to have a response rate of:
230
800
3.48
28.75 %
In a test marketing study of a new type of instant tea, sales volume (as measured by dollar sales) is most likely to be a(n):
random variable
independent variable.
control variable.
dependent variable.
A company's Human Resources department distributes a survey which asks employees to rate their current benefits as "excellent," "good," "fair," or "poor." This is an example of a(n):
nominal scale
interval scale.
ratio scale.
ordinal scale.
When similar results are obtained over time and across situations, this is a measure of:
validity.
reliability.
predictive accuracy.
biasness.
What type of question is the following:
I’m going to show you a sample magazine advertisement. What does this ad mean to you?
Double-barreled
Fixed-alternative
Open-ended
Leading
A researcher divides the population of product users into three groups based on degree of use. If the researcher then draws a random sample from each user group independently, the researcher has created a ____ sample.
simple random
stratified
judgment
quota
When a researcher selects Berhampur City as a test marketing city for a new brand of laundry detergent, this is an example of a(n):
judgment sample.
convenience sample.
stratified random sample.
systematic sample.
What Z-value would be used to set up a confidence interval at the 95 percent confidence level when the sample size is 200?
.01
2.58
1.96
.05
Which of the following is the symbol for the population standard deviation?
s
\mu
\sigma
s^2
The process of can be described as "bringing to light all the hidden values and extracting all possible information from a questionnaire, while adding nothing extraneous."
field work
coding
editing
auditing
A hypothesis test that allows for investigation of statistical significance in the analysis of frequency distributions is the
Z‑test.
t-test
chi-square test
f test
H0: μ = 3.0 is an example of:
the alternative hypothesis.
the critical value of the lower limit.
the null hypothesis.
none of the above.
