Biology Forums - Study Force

Data on tipping percent for 20 restaurant tables are:
 
  1.The median tipping percentage is 20.
  2.The median tipping percentage is 22.
  3.The median tipping percentage is 22.5.
  4.The median tipping percentage is 23.5.
  5.The median tipping percentage is 28.2.

Q. 2

The table below summarizes the number of minutes spent exercising each day for a sample of 30 female college students.
 
   
Q. 3

DKwMrAeWNgncjPm0VWPCsDKwMrAys DKwM7MLBO5DuQtRZdGVgZWBlYGVgZ OG8MrBP5ebPIimdlYGVgZWBlYGVgB wbWiXwHstaiKwMrAysDKwMrA+eNgXUiP28WWfGsDKwMrAysDKwM7MDAOpHvQNZadGVgZWBlYGVgZeC8MbBO5OfNIiuelYGVgZWBlYGVgR0Y+H+0ZMptCEaJ4AAAAABJRU5ErkJggg== />
 
   
   Construct a graphical display of the
   data distribution and then indicate
   what summary measures you would
   use to describe center and spread.

  1.center = mean; spread = standard deviation
  2.center = mean; spread = interquartile range
  3.center = median; spread = standard deviation
  4.center = median; spread = interquartile range
  5.center = mode; spread = range"

Q. 4

If there are no outliers, a skeletal and modified boxplot can differ in the length of the box, but not in the whisker lengths.
  1.True
  2.False

Q. 5

By definition, an outlier is extreme if it is more than 3.0 iqr away from the closest quartile.
  1.True
  2.False

Q. 6

The interquartile range is resistant to the effect of outliers.
  1.True
  2.False

Content hidden