From the following grouped data, find the sample standard deviation.
IntervalMidpoint xFrequency fProduct xf42.5 - 51.5 12 51.5 - 60.5 15 60.5 - 69.5 18 69.5 - 78.5 27 78.5 - 87.5 6 87.5 - 96.5 3 Please round your answer to the nearest whole number, if necessary.
Fill in the blank(s) with the appropriate word(s).
12
Mathematics
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Evaluate the integral.
dx
A. 
tan-1 
+
sin-1 
+ C
B. 128x + 
ln 
+ C
C. sin-1 
+ 
ln 
+ C
D. 
tan-1 
+ 
ln 
+ C
Mathematics
Insert the number that gives the desired result.q + 6 + ____ = q
A. 6 B. -12 C. -6 D. 12
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.
A. 
B. 
C. 125
D. 4
Mathematics
Form a polynomial f(x) with real coefficients having the given degree and zeros.Degree: 5; zeros: 2, -3i, and 4 - i
A. f(x) = x5 - 10x4 - 42x3 -124 x2 + 297x + 306 B. f(x) = x5 - 10x4 + 26x3 -124 x2 + 72x + 306 C. f(x) = x5 - 10x4 + 26x3 -124 x2 - 72x - 306 D. f(x) = x5 - 10x4 + 42x3 -124 x2 + 297x - 306
Mathematics