Given that the mean change in hours of tv watched by the class = -2.8 and standard deviation = 1.8
a) what percentage of the class changed less tv watching than you if you changed 4 hours?
b) What percentage changed more than you if you changed 1 hour?
c)What percentage of the class changed between -4 and 4 hours?
d) what percentage of the class changed between 1 and 2 hours?
e)if you are at the 60th percentile, how many hours change did you have?
f) The middle 12% of the class changed how many hours?
g) the extreme 5% of the class changed how may hours?
Stacey Warren - Expert brainly.com
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