In: Statistics and Probability
Round to twoplaces past the decimal point for your calculations and final answers.
| 
 Observed Frequencies  | 
|||
| 
 Personality Type  | 
|||
| 
 Music  | 
 Introverts  | 
 Extroverts  | 
 Total  | 
| 
 One Direction  | 
 80  | 
 252  | 
 332  | 
| 
 Mumford & Sons  | 
 357  | 
 148  | 
 505  | 
| 
 Lorde  | 
 183  | 
 180  | 
 363  | 
| 
 Total  | 
 620  | 
 580  | 
 1200  | 
| 
 Expected Frequencies  | 
|||
| 
 Personality Type  | 
|||
| 
 Music  | 
 Introverts  | 
 Extroverts  | 
 Total  | 
| 
 One Direction  | 
 171.53  | 
 160.47  | 
 332  | 
| 
 Mumford & Sons  | 
 260.92  | 
 244.08  | 
 505  | 
| 
 Lorde  | 
 187.55  | 
 175.45  | 
 363  | 
| 
 Total  | 
 620  | 
 580  | 
 1200  |