Statistics Final Exam Questions With Accurate Solutions.
Statistics describes a set of _____________ that is used for describing, organizing,
and interpreting information.
a. Statements
b. Rules and exceptions
c. Tools and Techniques
d. Numbers and letters - accurate answers-c.Tools and Techniques
the type of descriptive statistics that tells you the most popular/most frequent
choice from a number of choices is
a. median
b. mode.
c. mean
d. average - accurate answers-b. mode.
what is the small subset of the population from whom you collect data called?
a. population
b. sample
c. database
d. group A - accurate answers-b. sample
which of the following is not a measure of central tendency?
a. median
b. mode
c. standard deviation.
d. mean - accurate answers-c.standard deviation.
this measure of central tendency can be considered the most precise:
a. mode
b. median
c. mean
d. none of the above - accurate answers-c.mean
this measure is defined as the middle point of a set of values:
,a. mean
b. median
c. mode
d. other - accurate answers-b. median
which measure of central tendency is most influences by outliers?
a. median
b. mode
c. mean
d. variance - accurate answers-c.mean
when there is an even number of scores, how is the median calculated?
a. average the two middle scores
b. use the smaller of the two middle scores
c. use the larger of the two middle scores
d. the median cannot be calculated - accurate answers-a.average the two
middle scores
What would be the most appropriate measure of central tendency if you had
the following data: 57 males and 23 females
a. median
b. weighted mean
c. mean
d. mode - accurate answers-d.mode
In a __________, the bars representing each category are separate, while in a
_____________, the bars touch each other
a. pie chart, histogram
b. histogram, frequency polygon
c. bar chart, histogram
d. histogram, bar chart - accurate answers-c. bar chart, histogram
which of the following illustrates the range of possible values of Pearson's
product-moment correlation coefficient?
, a. -.01 to .01
b. -1.0 to 1.0
c. -2.0 to 2.0
d. -3.0 to 3.0 - accurate answers-b.-1.0 to 1.0
If variables change in the same direction, what type of correlation is this
called?
a. positive correlation
b. negative correlation
c. positive causation
d. negative causation - accurate answers-a.positive correlation
if variables change in the opposite direction, what type of correlation is this
called?
a. positive correlation
b. negative correlation
c. positive causation
d. negative causation - accurate answers-b.negative correlation
which of the following is the strongest correlation?
a. .21
b. .87
c. .44
d. -.92 - accurate answers-d.-.92
which of the following is the weakest correlation?
a. -.24
b. -.22
c. .19
d. -.96 - accurate answers-c. .19
if two variables are correlated, this implies that one variable causes the other.
T/F - accurate answers-false
Statistics describes a set of _____________ that is used for describing, organizing,
and interpreting information.
a. Statements
b. Rules and exceptions
c. Tools and Techniques
d. Numbers and letters - accurate answers-c.Tools and Techniques
the type of descriptive statistics that tells you the most popular/most frequent
choice from a number of choices is
a. median
b. mode.
c. mean
d. average - accurate answers-b. mode.
what is the small subset of the population from whom you collect data called?
a. population
b. sample
c. database
d. group A - accurate answers-b. sample
which of the following is not a measure of central tendency?
a. median
b. mode
c. standard deviation.
d. mean - accurate answers-c.standard deviation.
this measure of central tendency can be considered the most precise:
a. mode
b. median
c. mean
d. none of the above - accurate answers-c.mean
this measure is defined as the middle point of a set of values:
,a. mean
b. median
c. mode
d. other - accurate answers-b. median
which measure of central tendency is most influences by outliers?
a. median
b. mode
c. mean
d. variance - accurate answers-c.mean
when there is an even number of scores, how is the median calculated?
a. average the two middle scores
b. use the smaller of the two middle scores
c. use the larger of the two middle scores
d. the median cannot be calculated - accurate answers-a.average the two
middle scores
What would be the most appropriate measure of central tendency if you had
the following data: 57 males and 23 females
a. median
b. weighted mean
c. mean
d. mode - accurate answers-d.mode
In a __________, the bars representing each category are separate, while in a
_____________, the bars touch each other
a. pie chart, histogram
b. histogram, frequency polygon
c. bar chart, histogram
d. histogram, bar chart - accurate answers-c. bar chart, histogram
which of the following illustrates the range of possible values of Pearson's
product-moment correlation coefficient?
, a. -.01 to .01
b. -1.0 to 1.0
c. -2.0 to 2.0
d. -3.0 to 3.0 - accurate answers-b.-1.0 to 1.0
If variables change in the same direction, what type of correlation is this
called?
a. positive correlation
b. negative correlation
c. positive causation
d. negative causation - accurate answers-a.positive correlation
if variables change in the opposite direction, what type of correlation is this
called?
a. positive correlation
b. negative correlation
c. positive causation
d. negative causation - accurate answers-b.negative correlation
which of the following is the strongest correlation?
a. .21
b. .87
c. .44
d. -.92 - accurate answers-d.-.92
which of the following is the weakest correlation?
a. -.24
b. -.22
c. .19
d. -.96 - accurate answers-c. .19
if two variables are correlated, this implies that one variable causes the other.
T/F - accurate answers-false
