+546 Susan keeps track of the number of tickets sold for each play presented at The Community Theater. Within how many standard deviations from the mean do all the values fall?
135, 71, 69, 80, 158, 152, 161, 96, 122, 118, 87, 85
| A. 3 | |
| B. 4 | |
| C. 5 | |
| D. 2 |
+4473 Calculate the mean first and then the standard deviation. Then:
2 standard deviations from the mean means...mean + 2*s.d. & mean - 2*s.d (Note, both + and -).
3, 4, & 5 s.d. are computed similarily by replacing 2* with 3, 4, or 5*.
+4473 Calculate the mean first and then the standard deviation. Then:
2 standard deviations from the mean means...mean + 2*s.d. & mean - 2*s.d (Note, both + and -).
3, 4, & 5 s.d. are computed similarily by replacing 2* with 3, 4, or 5*.
