Birth Weight The following frequency distribution represents the birth weight of all babies born in the United States in 2004. Approximate the mean and standard deviation birth weight.
|
Weight (grams)
|
Number of Babies (thousands)
|
|
0-999
|
30
|
|
1000-1999
|
97
|
|
2000-2999
|
935
|
|
3000-3999
|
2698
|
|
4000-4999
|
344
|
|
5000-5999
|
5
|