Answer:
84
Step-by-step explanation:
The interquartile range is obtained using the relation :
Third quartile (Q3). - First quartile (Q1)
From. The boxplot :
Q3 = 96
Q1 = 12
Interquartile range (IQR) = Q3 - Q1 = 96 - 12 = 84
Answer:
8.77777777778
Step-by-step explanation:
Answer:
z = 60
Step-by-step explanation:
z/3 = 20. (Multiply both sides by 3 to isolate ‘z’)
20 • 3 = 60
Answer:199---3
Step-by-step explanation:
Answer:
a. 
b. $225
Step-by-step explanation:
Let Mr. Scruggs got money for his birthday be 'a'
He spent
of it on dog treats = a × 
= 
remainder amount would be = a - 
= 
Then he divided the remainder money equally among 3 favorite charities.

= 
a. Each charity receive
b. If he donated $60 to each charity.


a = $225
Mr. Scruggs received $225 for his birthday.