PSY 330 Final Exam Questions With Correct
Answers
A |distribution |is |normal |and |has |a |mean |of |100 |and |standard |deviation |of |15. |What |score |is |
the |50th |percentile? |- |CORRECT |ANSWER✔✔-100
A(n) |______ |is |a |number |that |indicates |how |many |standard |deviation |units |away |from |the |
mean |a |given |score |is. |- |CORRECT |ANSWER✔✔-z-score
A |z |score |of |z |= |-3.00 |indicates |a |position |in |a |distribution |______. |- |CORRECT |ANSWER✔✔-
below |the |mean |by |a |distance |equal |to |3 |standard |deviations
Roughly, |what |is |the |percentage |of |a |normal |distribution |that |is |located |between |z |= |- |1.00 |
and |z |= |+ |1.00? |- |CORRECT |ANSWER✔✔-68%
A |dataset |in |which |there |are |a |few |unusually |high |scores |but |most |scores |tend |to |be |toward |
the |low |end |of |the |distribution |is |called |a |______ |distribution |- |CORRECT |ANSWER✔✔-
positively |skewed
______ |refers |to |how |"flat" |or |"peaked" |a |normal |distribution |is |and |indicates |how |much |
variability |there |is |in |the |distribution |of |scores. |- |CORRECT |ANSWER✔✔-kurtosis
The |technical |name |for |normal |distribution |of |scores |is |called |a |______ |normal |distribution. |- |
CORRECT |ANSWER✔✔-mesokurtic
A |______ |is |the |percentage |of |scores |that |are |at |or |below |a |particular |score |in |a |normal |
distribution. |- |CORRECT |ANSWER✔✔-percentile |rank
, In |a |negatively |skewed |distribution, |scores |with |the |highest |frequencies |are |______. |- |
CORRECT |ANSWER✔✔-on |the |right |side |of |the |distribution
A |z |score |of |z |= |+2.00 |indicates |a |score |in |a |distribution |that |is |located: |- |CORRECT |
ANSWER✔✔-above |the |mean |by |a |distance |equal |to |2 |standard |deviations
If |an |entire |population |with |a |mean |of |85 |and |a |standard |deviation |of |6 |is |transformed |into |z |
scores, |then |the |distribution |of |scores |will |have |a |mean |of |__ |and |a |standard |deviation |of |
____. |- |CORRECT |ANSWER✔✔-0 |and |1
Roughly, |what |is |the |percentage |of |a |normal |distribution |that |is |located |between |z |= |- |2.00 |
and |z |= |+ |2.00? |- |CORRECT |ANSWER✔✔-95%
A |dataset |in |which |there |are |a |few |unusually |low |scores |but |most |scores |tend |to |be |toward |
the |high |end |of |the |distribution |is |called |a |______ |distribution. |- |CORRECT |ANSWER✔✔-
negatively |skewed
A |z |score |of |z |= |3.50 |indicates |a |position |in |a |distribution |______. |- |CORRECT |ANSWER✔✔-
above |the |mean |by |a |distance |equal |to |3.5 |standard |deviations
The |proportion |of |the |normal |distribution |that |corresponds |to |values |greater |than |z |= |1.00 |is |
p |= |0.1587. |What |is |the |proportion |that |corresponds |to |values |less |than |z |= |-1.00? |- |CORRECT |
ANSWER✔✔-0.1587
The |power |of |a |statistical |test |is |the |probability |of: |- |CORRECT |ANSWER✔✔-rejecting |a |false |
null |hypothesis
A |specific, |formal |prediction |about |the |outcome |of |a |research |study |is |called |a(n) |______. |- |
CORRECT |ANSWER✔✔-hypothesis
Answers
A |distribution |is |normal |and |has |a |mean |of |100 |and |standard |deviation |of |15. |What |score |is |
the |50th |percentile? |- |CORRECT |ANSWER✔✔-100
A(n) |______ |is |a |number |that |indicates |how |many |standard |deviation |units |away |from |the |
mean |a |given |score |is. |- |CORRECT |ANSWER✔✔-z-score
A |z |score |of |z |= |-3.00 |indicates |a |position |in |a |distribution |______. |- |CORRECT |ANSWER✔✔-
below |the |mean |by |a |distance |equal |to |3 |standard |deviations
Roughly, |what |is |the |percentage |of |a |normal |distribution |that |is |located |between |z |= |- |1.00 |
and |z |= |+ |1.00? |- |CORRECT |ANSWER✔✔-68%
A |dataset |in |which |there |are |a |few |unusually |high |scores |but |most |scores |tend |to |be |toward |
the |low |end |of |the |distribution |is |called |a |______ |distribution |- |CORRECT |ANSWER✔✔-
positively |skewed
______ |refers |to |how |"flat" |or |"peaked" |a |normal |distribution |is |and |indicates |how |much |
variability |there |is |in |the |distribution |of |scores. |- |CORRECT |ANSWER✔✔-kurtosis
The |technical |name |for |normal |distribution |of |scores |is |called |a |______ |normal |distribution. |- |
CORRECT |ANSWER✔✔-mesokurtic
A |______ |is |the |percentage |of |scores |that |are |at |or |below |a |particular |score |in |a |normal |
distribution. |- |CORRECT |ANSWER✔✔-percentile |rank
, In |a |negatively |skewed |distribution, |scores |with |the |highest |frequencies |are |______. |- |
CORRECT |ANSWER✔✔-on |the |right |side |of |the |distribution
A |z |score |of |z |= |+2.00 |indicates |a |score |in |a |distribution |that |is |located: |- |CORRECT |
ANSWER✔✔-above |the |mean |by |a |distance |equal |to |2 |standard |deviations
If |an |entire |population |with |a |mean |of |85 |and |a |standard |deviation |of |6 |is |transformed |into |z |
scores, |then |the |distribution |of |scores |will |have |a |mean |of |__ |and |a |standard |deviation |of |
____. |- |CORRECT |ANSWER✔✔-0 |and |1
Roughly, |what |is |the |percentage |of |a |normal |distribution |that |is |located |between |z |= |- |2.00 |
and |z |= |+ |2.00? |- |CORRECT |ANSWER✔✔-95%
A |dataset |in |which |there |are |a |few |unusually |low |scores |but |most |scores |tend |to |be |toward |
the |high |end |of |the |distribution |is |called |a |______ |distribution. |- |CORRECT |ANSWER✔✔-
negatively |skewed
A |z |score |of |z |= |3.50 |indicates |a |position |in |a |distribution |______. |- |CORRECT |ANSWER✔✔-
above |the |mean |by |a |distance |equal |to |3.5 |standard |deviations
The |proportion |of |the |normal |distribution |that |corresponds |to |values |greater |than |z |= |1.00 |is |
p |= |0.1587. |What |is |the |proportion |that |corresponds |to |values |less |than |z |= |-1.00? |- |CORRECT |
ANSWER✔✔-0.1587
The |power |of |a |statistical |test |is |the |probability |of: |- |CORRECT |ANSWER✔✔-rejecting |a |false |
null |hypothesis
A |specific, |formal |prediction |about |the |outcome |of |a |research |study |is |called |a(n) |______. |- |
CORRECT |ANSWER✔✔-hypothesis
