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.
Add Sale Alert. Sleeveless chambray color-block shift dress with pockets Ivy & Blu Women's Chambray Color-Block Shift Dress $144 $40â128 Activate Sale Alert Online Only! Bullhead Denim Co. delivers a classic look in the form of a dress with the Chambray Button-Down Dress. slightly shrunken silhouette in crinkled cotton with the designer's signature rounded collar. - Slightly shrunken, straight fit-Rounded collar-Front button closure-Single patch pocket at chest-Pleated button cuffs-Shirttail hem-Slightly crinkled, lightweight chambray Color: Grey.