Use the data set {0, -1, -3, 3, 3, -5, -7, 10} to answer the following question(s).The standard deviation of the data set is
A. 25.25.
B. 14.213.
C. 5.972.
D. 5.025.
E. none of these
Answer: D
Mathematics
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Find the vertices and foci of the ellipse.16x2 + 49y2 = 784
A. Vertices: (±4, 0); Foci: (±
, 0)
B. Vertices: (±7, 0); Foci: (±
, 0)
C. Vertices: (0, ±7); Foci (0, ±
)
D. Vertices: (0, ±4); Foci (0, ±
)
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Show that the functions f and g are identically equal.f(x) = csc x ? sec x, g(x) = cot x + tan x
What will be an ideal response?
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Evaluate the algebraic expression for the indicated variable.
for x = 7, y = 4
A. 
B. 
C. 
D. 
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Find the mean of the list of data.$62.71, $97.08, $81.15, 
A. $62.71 B. $65.00 C. $78.00 D. $81.15
Mathematics