Test of Equality of Variances When testing two independent samples (for differences in mean, one-sided tests, etc.), it is helpful to know that the samples have equal variances or not.
JHK2303/iStock/Getty Images. Chambray, a double-ply cotton fabric with a tight weave, is similar to denim but not the same. It has a white filler thread woven in with a colored background thread. But unlike denim's twill weave, chambray has a plain weave, so it's smoother and lighter in weight.Chambray is rugged but light, making it suitable for work wear as well as summer-weight shirts and skirts.ut unlike denim's twill weave, chambray has a plain weave, so it's smoother and lighter in weight. Chambray is rugged but light, making it suitable for work wear as well as summer-weight shirts and skirts.
Chayotes (pronounced chahy-oh-tee) are a light green, pear shaped fruit with a single, large pit and edible flesh and skin. The flesh of the chayote is mild in flavor and has a texture somewhere between a potato and cucumber.Chayotes are native to Mexico but are now cultivated in warm climates world wide.lthough not as popular as the fruit, the root and leaves of the chayote plant are also edible. The root can be prepared in a similar manner to potatoes and the leaves can be cooked like mustard or collard greens.