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​Recently, a random sample of 13-18 year olds was​ asked, "How much do you currently have...

​Recently, a random sample of 13-18 year olds was​ asked, "How much do you currently have in​ savings?" The data in the table represent the responses to the survey. Approximate the mean and standard deviation amount of savings.

Savings Lower Limit Upper Limit Frequency
0-199 0 199 333
200-399 200 399 87
400-599 400 599 61
600-799 600 799 25
800-999 800 999 14
1000-1199 1000 1199 5
1200-1399 1200 1399 2

The sample mean amount of savings is =$___ (Round to the nearest dollar as​ needed.)

Math   Statistics-And-Probability   
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