Mathematics, 07.05.2021 05:40 Gearyjames8
The average amount of taxes paid by a family of four is greater than $4172. A random sample of 20
families found that an average of $4560 was paid in taxes with a standard deviation of $1590. At
a=0.10, is there evidence to support that families pay more than $4172?
For the conditions since 20 is not greater than 30 and I can’t do a dot plot what do I do?
Answers: 3
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