The answer would be D) 52,165 + 49,872 since the key word in the question was total, that would call for addition and total to ''sum'' it all up would mean addition again and D would be your answer.
Answer:
x y
-6 11
3 5
15 -3
-12 15
Step-by-step explanation:
just use substitution
Answer:
mean = 172.72cm and variance = 645.16
Step-by-step explanation:
1 inch = 2.54 centimetres
mean = 68 * 2.54 = 172.72 cm
standard deviation = 10 *2.54 = 25.4 cm
variance = square of standard deviation
variance = 25.4 * 25.4
variance = 645.16 cm
Answer:
its a variety of selection techniques in which sample members are selected by chance
Step-by-step explanation:
