Is there a non-accidental difference between left-handed (0) and right-handed (1) college instructors and the total number of points they award to students on manual dexterity examinations? The data below, from a stratified population, provide the number of points awarded and the handedness of the instructors. Answer the question based on the following data.

Use the ASCII data in "j:\ling\msdos\otherdata\anovastudy2.sav" for a complete data list.

Data file:  anovastudy2.sav
Variables: HAND,POINT

SUBJ     HAND    POINT
1           1     2329
2           1     2178
3           1     2037
4           1     2209
5           1     1467
(data continue)

Answer the following questions:

1. Do these data meet the assumptions of ANOVA or Kruskal-Wallis? Explain in full.
    
     
    
2. What kinds of data do the two columns of interest represent?
     
    
3. How many (independent) variables and levels do the data have?
    
    
4. Explain which statistic you ran and why.
    
    
5. Copy the F-statistic or the H-statistic (whichever is relevant) and write if the .05 level of significance is attained.
    
    
6. What is the direction of the difference? 
    
    
    
7. How meaningful is this finding? Think of a variable that appears to be overlooked in this experiment. How would it appear in the data, and what kind of statistic would be necessary to examine this variable?