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!
Basically here is what the law says regarding children being able to ride in the front seat. Safety belts-at age 8 and older or taller than 4'9. All children age 12 and under should ride in the back seat. Basically a child must be taller than 4'9 and be above the age of 12.asically here is what the law says regarding children being able to ride in the front seat. Safety belts-at age 8 and older or taller than 4'9. All children age 12 and under should ride in the back seat. Basically a child must be taller than 4'9 and be above the age of 12.