What does p-value 2.2e 16 means? 0.00000000000000022 2.2e-16 is the scientific notation of 0.00000000000000022, meaning it is very close to zero. Your statistical software probably uses this notation automatically for very small numbers. Why reject null hypothesis when p-value is small? The p-value is used as an alternative to rejection […]

What are the rules for naming chemical compounds? Rules for naming simple ionic compounds. Name the metal by its elemental name. Name the nonmetal by its elemental name and an -ide ending. Name metals that can have different oxidation states using roman numerals to indicate positive charge. Example Fe2+ is […]

Which wire is positive and negative blue or brown? If you do have a fixture using international standards, the good news is that the matching is very easy. Brown is your hot wire so you want to connect that to your building’s black wire. The blue is negative or return, […]

Did anyone know Voldemort was a half blood? So the ones who did know knew not to mention it. The fact that death eaters like Avery and Lestrange knew his name does not conclude that they knew he was a half-blood. “I though you was that Muggle” whispered Morfin “You […]

How late can growth spurts occur? Peak height velocity — your child’s biggest, fastest growth spurt — typically lasts 24 to 36 months. And while it’s difficult to say just how much your child will grow during this time, you can count on most of it happening, for girls, between […]

Why did my period come earlier than it was supposed to? An early period may be due to lifestyle changes like periods of stress, strenuous exercise, or drastic weight changes that alter your hormone production. But early periods can also be caused by underlying conditions like Polycystic Ovary Syndrome (PCOS) […]

How were ancient Greek slaves treated? Slaves in ancient Greece were treated based on the kind of job they did, and also on the personality of their owners. If the owner was kind, he treated them decently. They also had different levels of independence based on the class they belonged […]

How do you say I will pay for myself? If the person you are with tries to decline your offer to pay for something, you can assert yourself by saying “Please, I insist.” Oftentimes by using this expression the other person will relent and let you pay. An example: You: […]

Why does my cat only like me and not my family? Cats’ favoritism is just as unpredictable and individual. Your cat’s favorite person might simply be the human who plays with her the most. It could be the human that feeds her most often, or it could be someone strong […]

Why do frozen water pipes burst would a mercury thermometer break if the temperature went below the freezing temperature of mercury Why or why not? Would a mercury thermometer break if the temperature went below the freezing temperature of mercury? Why or why not? Also its volume increases 0 continuously […]

Were Beatles really good musicians? Most of us agree that the Beatles made great music. But some people don’t believe the Beatles to have been especially good musicians. John, Paul, George and Ringo are pretty good singers and instrumentalists, but you could walk into any music school and quickly find […]