The Physical Fitness Test (National Level for Girls) shows the national average for 10-year-old girls on "right-angle push-ups" to be = 13.Principal Smyth hypothesizes that her girls at Strong School are significantly above the national mean.If the
and the scores for nine girls are as reported here,compute
and determine if Principal Smyth is right.Use
. 14 16 18 16 12 16 17 20 15
A) ,so Principal Smyth is right.
B) ,so Principal Smyth is wrong.
C) ,so Principal Smyth is right.
D) ,so Principal Smyth is wrong.
Correct Answer:
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