State whether the distribution appears to be (roughly) normal.
A. Normal
B. Not normal
Answer: B
Mathematics
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Find the standard deviation for the given data. Round your answer to one more decimal place than the original data.223, 225, 300, 291, 289, 267, 171, 166, 141
A. 60.3 B. 28.8 C. 56.8 D. 64.4
Mathematics
Solve the given trigonometric equation analytically (using identities when necessary for exact values when possible) for values of x for 0 ? x < 2?.sin2 x - cos2 x = 0
A. 
, 
B. 
, 
C. 
, 
, 
, 
D. 
Mathematics
If y varies inversely as x, find the inverse variation equation for the situation.y = 9 when x = 7
A. y = 
B. y = 
C. y = 
D. y = 
x
Mathematics
Multiply the monomials.-4x9y2 ? 10x4y
A. 6x36y2 B. -40x13y3 C. 6x13y3 D. -40x13y2
Mathematics