Which type of average is not the best choice for the following data?
5, 5, 5, 6, 7, 8, 8, 8, 11, 12
?
A. ?The median; Even number of data values does not give an accurate median value.
B. ?The mean; Split data in the middle will give a mean value which is unlike the values around it.
C. ?The mean; Repeated data will affect the sum of all data values.
D. ?The mode; There is more than one mode.
E. ?The median; The average of the two modes changes the median.
Answer: D
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Solve the problem. Round to the nearest hundredth if necessary.If a square field is 76 meters on each side, how far is it from one corner to the opposite corner?
A. 107.48 m B. 5776.24 m C. 152 m D. 76 m
Evaluate with a calculator.log2 
A. 2 B. -1 C. 1 D. 0
For the polynomial, one zero is given. Find all others.P(x) = x4 - 21x2 - 100; -2i
A. 2i, 5, -5 B. 2i, 10, -10 C. 2i, 10i, -10i D. 2i, 5i, -5i
Find the equation of the hyperbola satisfying the given conditions.Foci: (±5, 0); the length of the transverse axis is 6
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
+ 
= 1