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!
How old should kids have to be to sit in the front seat of a car in Ohio? According to Nationwide Children's, children should not ride in the front seat if under 13 years old. By law, children under 4 years old and weighing 40 pounds or less must ride in a safety seat. Full Answer >.