Solution Found!
Using the Empirical Rule In Exercise, use the
Chapter 2, Problem 34E(choose chapter or problem)
Use the Empirical Rule.
The monthly utility bills for eight more households are listed. Using the sample statistics from Exercise 30, determine which of the data entries are unusual. Are any of the data entries very unusual? Explain your reasoning.
$65, $52, $63, $83, $77, $98, $84, $70
Questions & Answers
QUESTION:
Use the Empirical Rule.
The monthly utility bills for eight more households are listed. Using the sample statistics from Exercise 30, determine which of the data entries are unusual. Are any of the data entries very unusual? Explain your reasoning.
$65, $52, $63, $83, $77, $98, $84, $70
ANSWER:Step 1 of 3:
The mean monthly utility bill of households in a city is $70, with a standard deviation of $8.
The number of households in the sample is 40.
The monthly utility bills for eight more households are given.
$65, $52, $63, $83, $77, $98, $84, $70
We have to find which of the data entries are unusual.