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.
Photo Credit: Forever 21. The denim shirt -- also called a chambray shirt, for the fabric it's made from -- is a fashionable wardrobe staple. You can style a versatile denim shirt in your wardrobe to create plenty of different outfits.Throw on a denim shirt with other easy separates to create a casual chic look, or use one to dress down fancier pieces for daytime. Take a look at these fashionable outfit ideas for what to wear with a denim shirt now.ou can style a versatile denim shirt in your wardrobe to create plenty of different outfits. Throw on a denim shirt with other easy separates to create a casual chic look, or use one to dress down fancier pieces for daytime. Take a look at these fashionable outfit ideas for what to wear with a denim shirt now.