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<H1><CENTER>Quiz 1</CENTER></H1>
<PRE>NAME: <INPUT TYPE="text" NAME="ID" SIZE=25></PRE>
<H3>
Enter the single best answer to each question below.
</H3>
<HR>
<P>
<B>Item 1:</B><BR>
A biomedical researcher wanted to find out the degree to
which time-on-task in learning and practicing medical
terminology using a tutorial CAI module influenced students'
performance on a subsequent medical terminology test. She
defined time-on-task as the total duration of CAI module
utilization, as assessed by the microcomputer's internal
real time clock. The scale for measurement of the independent
variable for this research (time-on-task) would best be
classified as:<BR>
</P>
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<SELECT NAME="ITEM1" SIZE=5>
<OPTION SELECTED> No Response
<OPTION> Nominal
<OPTION> Ordinal
<OPTION> Interval
<OPTION> Ratio
</SELECT>
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<BR>
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<P>
<B>Item 2:</B><BR>
A statistical concept which provides a measure of the degree
of peakedness of a distribution is the:<BR>
</P>
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<SELECT NAME="ITEM2" SIZE=1>
<OPTION SELECTED> Choose Option
<OPTION> Median
<OPTION> Standard Deviation
<OPTION> Variance
<OPTION> Kurtosis
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<BR>
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<H3>
<CENTER>
Use the following information for questions 3 through 9.
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</H3>
<P>
In an effort to facilitate the long term cardiovascular health of a
small group of heart patients who have been recuperating from coronary
bypass operations, the therapeutic team has patients participate in a
patient education program. The program is designed to help patients
implement effective dietary and exercise efforts to improve cardiovascular
risk factors. As a first step, a written pretest is administered to get
an initial picture of patients' knowledge of issues pertinent to
cardiovascular risk factors. It is important to obtain a number of
descriptive measures on the pretest in order to get an overall assessment
of the patients to be used for diagnostic purposes and for later
comparison with posttest scores after the program has been in effect.
Patients' scores on the pretest are recorded in a frequency distribution as
indicated in the table below.
</P>
<PRE>
X f
8 2
7 2
6 3
5 4
4 5
3 2
1 2
_____
20 = N
</PRE>
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<P>
<B>Item 3:</B><BR>
The frequency distribution above is a:
</P>
<INPUT TYPE="RADIO" CHECKED NAME="ITEM3" > No response<BR>
<INPUT TYPE="RADIO" NAME="ITEM3" VALUE="Positively skewed distribution">
Positively skewed distribution<BR>
<INPUT TYPE="RADIO" NAME="ITEM3" VALUE="Negatively skewed distribution">
Negatively skewed distribution<BR>
<INPUT TYPE="RADIO" NAME="ITEM3" VALUE="Normal distribution">
Normal distribution<BR>
<INPUT TYPE="RADIO" NAME="ITEM3" VALUE="Symmetric distribution">
Symmetric distribution<BR>
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<P>
<B>Item 4:</B><BR>
What is the cumulative frequency of a score of 7 in the
distribution above?
</P>
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<PRE>Answer: <INPUT TYPE="text" NAME="ITEM4" SIZE=3></PRE>
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<P>
<B>Item 5:</B><BR>
What is the relative frequency of a score of 8 in the
distribution above?
</P>
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<PRE>Answer: <INPUT TYPE="text" NAME="ITEM5" SIZE=3></PRE>
</CENTER>
<B>Item 6:</B><BR>
What is the relative cumulative frequency of a score of 7 in
the distribution above?
</P>
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<PRE>Answer: <INPUT TYPE="text" NAME="ITEM6" SIZE=3></PRE>
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<P>
<B>Item 7:</B><BR>
What is the mean of the distribution above?
</P>
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<PRE>Answer: <INPUT TYPE="text" NAME="ITEM7" SIZE=4></PRE>
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<P>
<B>Item 8:</B><BR>
What is the median of the distribution above?
</P>
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<PRE>Answer: <INPUT TYPE="text" NAME="ITEM8" SIZE=4></PRE>
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<P>
<B>Item 9:</B><BR>
What is the mode of the distribution above?
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<PRE>Answer: <INPUT TYPE="text" NAME="ITEM9" SIZE=3></PRE>
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<P>
<B>Item 10:</B><BR>
What is the range of the distribution above?
</P>
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<PRE>Answer: <INPUT TYPE="text" NAME="ITEM10" SIZE=3></PRE>
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