Question

calculate quartile deviation from the following data
Scores. frequencies
100-109. 1
90-99. 4
80-89. 11
70-79. 24
60-69. 43
50-59. 56
40-49. 45
30-39. 30
20-29. 11
10-19. 3
0-9. 2
N is 230 ​

Answer 1

Answer:

−552.398 is the answer ok