If the sum of squares for a sample containing 51 items equals 200, what is the standard deviation? A) 1.98
B) 2.00
C) 3.92
D) 4.00

What is the value of m in the equation 1/2 m - 3/4n=16 when n=8

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

Brittany has designed four different birdcages, each with the same volume: a square pyramid, a cylinder, a cone, and a sphere. the zoo wants to use one of brittany’s designs but plans to change the volume of the cage. find the design change that would result in the birdcage with the greatest volume. a.) increase the area of the base of the square pyramid by a factor of ten. b.) increase the height of the cylinder by a factor of ten. c.) increase the radius of the cone by a factor of ten. d.) increase the radius of a sphere by a factor of ten.