Question

USE THE FOLLOWING FREQUENCY DISTRIBUTION FOR QUESTIONS 46-50. The following expanded frequency distribution was created from a sample of size 25. Class Limits f Class Midpoint Class Boundaries Relative Frequency Cumulative Frequency 5-8 5 6.5 0.2 5 4.5-8.5 9-12 0.56 19 13-16 6 14.5 12.5-16.5 46) Find the missing frequency (frequency for the class 9-12). A) 10.5 B) 0.24 C) 25 D) 8.5-12.5 E) 14 47) Find the Cumulative Frequency for the class 13-16 A) 10.5 B) 0.24 C) 25 D) 8.5-12.5 E) 14 48) Find the Class Boundaries for the class 9-12. A) 10.5 B) 0.24 C) 25 D) 8.5-12.5 E) 14 49) Find the Class Midpoint for the class 9-12. A) 10.5 B) 0.24 C) 25 D) 8.5-12.5 E) 14 50) Find the relative frequency for class 13-16. A) 10.5 B) 0.24 C) 25 D) 8.5-12.5 E) 14

Answer 1

Sol) Gjiven Cunmulatine class class limits class Midpoint Relative frequency frequency boundares 5-8 5 5 0.2 5 14 4.5-8.5 8-5-12.5 6.5 10.5 14.5 0.56 19 9-12 13-16 25 6 12.5.-165 of 19-12) 46) Missing frequency from conmulative frequency table have limits IE IC.F 5-8 we 5 15 19 9-12 13-16 6 Cummulative frequency of 9-12 5+2 19 a= 19-5 7 = 14 es 46) E (option)

13-16 47 Cummulative for class 5+14+6 25. 47) C LO loption) 48) class boundaries for 9-12 9-12 (9-0.5 12 +0.5) (8.5, 12.5 48) Option (D) 49) Mid point clos 9-12 for 9+12 21 10.5 2 2 5o) 49) Option (A) Relative frequency for 13-16 f(13-16) Total frequency 50) Option (B) a 6 0.24 25
Here are the answers

46) E

47) C

48) D

49) A

50) B