Arrange in ascending order:-
6 7 11 13 14 15 15 19 21
median = 14
lower quartile = mean of 7 and 11 = 9
upper quatile = mean of 15 and 19 = 17
Interquartile range = 17 - 9 = 8
answer is 8
Answer:
No
Step-by-step explanation:
Sides AB to DC aren't congruent/parallel
Sides BC to AD aren't congruent/parallel
Answer:
147
Step-by-step explanation:
654 = 213 + 3x
-213 -213
441 = 3x
/3 /3
147 = x
Answer:
-4
Step-by-step explanation:
log (2) (1/16)
2^4=16
fraction is negative exponent
-4