The distances between two holes cut into 50 steel sheets are measured and saved as values of the variable DISTANCE in the following data set: * data sheets; input distance @@; label distance='Distance ...

Stephen W. Looney and Thomas R. Gulledge, Jr. This paper considers the problem of choosing a plotting position to use in constructing a normal probability plot. Previous recommendations have focused ...

Interpretation of normal probability plots is not always straightforward for the inexperienced data analyst. In the finance literature a plot of empirical and fitted normal densities on the log scale ...

Continuous Variable: can take on any value between two specified values. Obtained by measuring. Discrete Variable: not continuous variable (cannot take on any value between two specified values).