Answer:
9) 21
10) 24
11) 14.6
Step-by-step explanation:
Literally just add up all the sides.
Answer:
19
Step-by-step explanation:
they give you xz, and they want half, so just divide 38 by 2
Answer:
There appears to be a difference between the pulse rates from samples of adult males and females. The average pulse rate of males is 63.75 while that of females is 75.875.
Coefficient of Variation (male) = 33.44%
Coefficient of variation (female) = 28.35%
Step-by-step explanation:
Mean (male) = 
Mean (female) = 
Standard Deviation (male) = 
Standard Deviation (female) = 
Coefficient of Variation = 
For male, CV =
%
For female, CV =
%
Comparison : Pulse rates of males has more variability than that of females since it has a greater coefficient of variation.
Answer:
c
Step-by-step explanation:
100% is the whole graph so 23% of 100 is 23
Answer:
25/4
Step-by-step explanation:
Multiplying numerators gives 4950 and multiplying denominators gives 792. 4950/792. simplify to get simplest form as 25/4