Measurements are made on the lengths, in mm, of a sample of twenty wooden components for selfassembly furniture. Assume that these may be regarded as twenty independent observations from a normal distribution with unknown mean μ and unknown variance σ^2. The data are as follows.581580581577580581577579579578581583577578582581582580582579 Find a 80 % confidence interval for the variance σ^2

How To Measure For New Furniture

Rules of thumb for sourcing furniture

How to Find the Area of a Square Using the Length of its Diagonal

Finding the Perimeter from Area | Overview & Examples

the area of a rectangle whose length is seven more than its width 55505