A student shared data from the StatCrunch Friend Data Application. Data on gender and number of wall posts for a sample of friends are shown below. (Source: StatCrunch, Facebook Friend Data, posted 2/13/14) 

a. Is the format of this data set stacked or unstacked?

b. Explain the coding. What do 1 and 0 represent?

c. If you answered “stacked” in part a, then unstack the data into two columns labeled Male and Female. If you answered “unstacked,” then stack the data into one column and choose a appropriate name for the stacked variable.

Transcribed Image Text:

Male Wall Posts 1 1916 1 183 1 836 9802 1 95 1 512 153 1221