For any population with mean Î¼and standard deviation.  The mean, or center of the sampling distribution of, is equal to the population mean Î¼:Î¼ x = Î¼.  The standard deviation of the sampling distribution is Ï/â n, where n is the sample size: Ï x = Ï / â n.
Usually a child should be 13 or older to ride in the front seat. If the child is too small then the front airbags can be dangerous and they may still need a booster seat. When â¦ they outgrow booster seats then they should be large enough to ride on the seat with just seatbelts. Always make sure they are buckled up!
Being able to ride in thefront seat is a rite of passage for most kids. If you have a tween or a pre-teen, you know this is a step they can'twait to make. In Arkansas, there is nota law that mandates how old a child should be before they're allowed to ride safelyin the front seat. However, there areguidelines set forth by the American Academy of Pediatrics and the National HighwayTransportation Safety Administration that parents should follow.