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!
The proposed bill would require infants to stay in rear-facing car seats until the age of 2. Right now, the South Carolina law requires it until age 1. The bill would also make older children sit in forward facing seats until theyâre 8 years old instead of the current required age of 6. âAlong with those recommendations, also that a child under the age of 12 is not in the front seat,â said Cynthia Fryer with Safe Kids Upstate.