Which one of the following summary statistics is not a measure of the variation (spread) in a data set?
A. Median
B. Standard deviation
C. Range
D. Interquartile range
Answer: A
Mathematics
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Find the area of the specified region.Inside the graph of r = 8 + cos 3?
A. 
+ 
B. 129? + 
C. 129?
D. 
Mathematics
Perform the operation and give the answer in the same numeration system. Write the answer as simply as possible.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation by factoring.(4y + 11)(2y + 19) = 0
A. 
B. 
C. {7, 17}
D. 
Mathematics
Solve the application.There were 28
yards of wire on a spool. After a customer bought 5
yards of wire from the spool, how many yards were left?
A. 22 yards
B. 22
yards
C. 21
yards
D. 23
yards
Mathematics