Please help i have no clue any tips greatly appreciated:)

How do you create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1?

What is the radius of the cone in the diagram? round your answer to the nearest whole number

Apyramid fits exactly inside a cube. the cube and the pyramid share the same square base, and they are both exactly the same height. the volume of the cube is 66 cubic inches. what is the volume of the pyramid? explain your answer. answer asap