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Marketing Research: Within a Changing Information Environment, 2/e

Joseph Hair, Louisiana State University
Robert Bush, University of Memphis
David Ortinau, University of South Florida

Data Analysis: Testing for Significant Differences

Multiple Choice Quiz


1	Which of the following is generally reputed to be the most “user-friendly” statistical package available today?
		A)	SAS
		B)	STATS
		C)	STATPAK
		D)	SPSS
		E)	STPK


2	Research professionals are most likely to prefer which of the following statistical software packages?
		A)	SAS
		B)	STATS
		C)	STATPAK
		D)	SPSS
		E)	STPK


3	Which of the following graphical tools offer an excellent means of depicting both absolute and relative magnitudes?
		A)	line charts
		B)	pie charts
		C)	bar charts
		D)	trend charts
		E)	all of the above


4	The X-Cel Corporation desires to cast the results of its latest research effort in a way that will graphically highlight trends over time. The firm is most likely to emphasize:
		A)	pie charts.
		B)	line charts.
		C)	bar charts
		D)	STATPAC tables.
		E)	none of the above.


5	The ________________________ chart is best used to display relative proportions.
		A)	horizontal bar
		B)	line
		C)	area
		D)	vertical bar
		E)	pie


6	The value that appears in a distribution most often is called the:
		A)	mean.
		B)	median.
		C)	mode.
		D)	norm.
		E)	center.


7	In order to identify the _______________________________, it is necessary to place the values of a distribution in rank-order.
		A)	mean
		B)	mode
		C)	norm
		D)	arithmetic average
		E)	median


8	The X-Cel Corporation's latest research project produced ordinal data results. The firm is most likely to describe the central tendency of its distribution through use of the:
		A)	median.
		B)	mean.
		C)	arithmetic average.
		D)	norm.
		E)	mode.


9	The spread of the data is described by the:
		A)	mean.
		B)	median.
		C)	mode.
		D)	norm.
		E)	range.


10	The average distance of the distribution values from the mean is described by the:
		A)	mode.
		B)	standard deviation.
		C)	range.
		D)	variance.
		E)	median.


11	A _______________ error occurs when the data produces fails to reject a null hypothesis that should have been rejected.
		A)	Type II
		B)	modal
		C)	hypothetical
		D)	Type I
		E)	significance level


12	Especially for smaller samples, the ____________________________ test is the preferred means of comparing two means.
		A)	z
		B)	modality
		C)	t
		D)	ANOVA
		E)	MANOVA


13	In its current research project, the X-Cel Corporation will need to assess the differences between three or more means. The firm is most likely to employ ________________ for this purpose.
		A)	means
		B)	ANOVA
		C)	t-tests
		D)	z-tests
		E)	medians


14	ANOA analysis employs the _____________________ test to statistically evaluate differences between group means.
		A)	t
		B)	z
		C)	modal
		D)	F
		E)	median

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