A researcher assures that in his country, on average, the salary of workers is less than $5000.00. He takes a sample of 7 workers and finds that their salary is: $3900.00, $5100.00, $3100.00, $5500.00, $2700.00, $4500.00, $4100.00 Can you be sure at the 0.02 level of significance that the researcher is correct? Choose 1. The correct conclusion 2. The correct interpretation Select one: to) 1. H0 is rejected 2. With a confidence of 98% it can be ensured that the average wage of the workers is not less than $5000.00 b) 1. H0 is not rejected 2. With a confidence of 98% it can be ensured that the average wage of the workers is not less than $5000.00 c) 1. H0 is not rejected 2. It can be ensured, with 98% confidence, that the average wage of the workers is less than $5,000.00 d) 1. H0 is rejected 2. It can be ensured, with 98% confidence, that the average wage of the workers is less than $5,000.00
A researcher assures that in his country, on average, the salary of workers is less than $5000.00.
He takes a sample of 7 workers and finds that their salary is:
$3900.00, $5100.00, $3100.00, $5500.00, $2700.00, $4500.00, $4100.00
Can you be sure at the 0.02 level of significance that the researcher is correct?
Choose
1. The correct conclusion
2. The correct interpretation
Select one:
to)
1. H0 is rejected
2. With a confidence of 98% it can be ensured that the average wage of the workers is not less than $5000.00
b)
1. H0 is not rejected
2. With a confidence of 98% it can be ensured that the average wage of the workers is not less than $5000.00
c)
1. H0 is not rejected
2. It can be ensured, with 98% confidence, that the average wage of the workers is less than $5,000.00
d)
1. H0 is rejected
2. It can be ensured, with 98% confidence, that the average wage of the workers is less than $5,000.00
Step by step
Solved in 3 steps
