AP Statistics 2017

(Marvins-Underground-K-12) #1
A.          No, because more    women   than    men were    promoted.
B. No, because the proportion of women who were promoted is the same as the proportion of men
who were promoted.
C. No, because the proportion of women who were promoted is less than the proportion of men
who were promoted.
D. Yes, because the proportion of women who were promoted is less than the proportion of men
who were promoted.
E. Yes, because the proportion of women who were promoted is less than the proportion of
women who were not promoted.



  1.         Students    in  a   statistics  class,  as  part    of  an  activity,   measured    the length  of  their   hair    in  inches.

    Summary statistics are shown below.




Which   of  the following   statements  is  true?
A. Seventy-five percent of the students had hair at least 18.5 inches long.
B. Fifty percent of the students had hair between 9.18 and 29 inches long.
C. Fifty percent of the students had hair between 2 and 18.5 inches long.
D. The distribution of hair lengths can be appropriately modeled by a normal distribution.
E. The distribution of hair lengths has at least one outlier.



  1.         The scatterplot above   shows   data    points  and the regression  line    for predicting  y from  x   .   Which


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