Question

The Bureau of Labor Statistics reported that the average yearly income of dentists in the year...

  1. The Bureau of Labor Statistics reported that the average yearly income of dentists in the year 2018 was $110,000. Asample of 81 dentists, which was taken in 2019, showed an average yearly income of $120,000. Assume the standarddeviation of the population of dentists in 2019 is $36,000. We want to test to determine if there has been a significantdifference in the average yearly income of dentists.

Following the steps for hypothesis testing, conduct this hypothesis test at the 5% level of significance.

Math   Statistics-And-Probability   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The Bureau of Labor Statistics reported that the average yearly income of dentists in the year...
The Bureau of Labor Statistics reported that the average yearly income of dentists in the year 2018 was $110,000. A sample of 81 dentists, which was taken in 2019, showed an average yearly income of $120,000. Assume the standard deviation of the population of dentists in 2019 is $36,000. We want to test to determine if there has been a significant difference in the average yearly income of dentists. Following the steps for hypothesis testing, conduct this hypothesis test at...
.The Bureau of Labor Statistics reported that the average yearly income of dentists in the year...
.The Bureau of Labor Statistics reported that the average yearly income of dentists in the year 2010 was $110,000. A sample of 81 dentists, which was taken in 2011, showed an average yearly income of $120,000. Assume the standard deviation of the population of dentists’ incomes in 2011 is $36,000. a. We want to test to determine if there has been a significant increase in the average yearly income of dentists. Provide the null and the alternative hypotheses. ( please...
1. The Bureau of Labor Statistics reported that the average yearly income of dentists in the...
1. The Bureau of Labor Statistics reported that the average yearly income of dentists in the year 2009 was $116,000. Dr. Smith thinks there has been a significant increase in the average yearly income of dentists. He has a dataset of a sample of 81 dentists, which was taken in 2010, showed an average yearly income of $123,000. Assume the standard deviation of the population of dentists in 2010 is $36,000. Please answer the following questions: (a) Develop appropriate null...
1. The Bureau of Labor Statistics reported that the average yearly income of dentists in the...
1. The Bureau of Labor Statistics reported that the average yearly income of dentists in the year 2014 was $116,000. Dr. Smith thinks there has been a significant increase in the average yearly income of dentists. He has a dataset of a sample of 81 dentists, which was taken in 2015, showed an average yearly income of $123,800. Assume the standard deviation of the population of dentists in 2015 is $36,000. Please answer the following questions: (a) Develop appropriate null...
A poll done by the US Bureau of Labor Statistics found that the average cell phone...
A poll done by the US Bureau of Labor Statistics found that the average cell phone bill in 2018 was $114 a month. A random sample of 50 people taken recently shows an average bill of $122 per month with a standard deviation of $18.50. Is there statistically significant evidence that the mean cell phone bill in the US has risen since 2018? Carry out a hypothesis test with a significance level of 0.05. Make sure you check the necessary...
According to the Bureau of Labor Statistics, citizens remain unemployed for an average of 15.9 weeks...
According to the Bureau of Labor Statistics, citizens remain unemployed for an average of 15.9 weeks before finding their next job (June, 2008). Suppose you want to show that Louisiana has been effective in getting their unemployed back to work sooner by testing the hypothesis, H0: μ ≥ 15.9 vs H1: μ < 15.9, at 0.10 level of significance. You take a random sample of 50 citizens who were unemployed six months earlier and ask them to report the duration....
According to the Bureau of Labor Statistics, citizens remain unemployed for an average of 15.9 weeks...
According to the Bureau of Labor Statistics, citizens remain unemployed for an average of 15.9 weeks before finding their next job (June, 2008). Suppose you want to show that Louisiana has been effective in getting their unemployed back to work sooner by testing the hypothesis, H0: μ ≥ 15.9 vs H1: μ < 15.9, at 0.10 level of significance. You take a random sample of 50 citizens who were unemployed six months earlier and ask them to report the duration....
According to the U.S. Bureau of Labor Statistics, the average weekly earnings of a production worker...
According to the U.S. Bureau of Labor Statistics, the average weekly earnings of a production worker in July 2011 were $657.49. Suppose a labor researcher wants to test to determine whether this figure is still accurate today. The researcher randomly selects 54 production workers from across the United States and obtains a representative earnings statement for one week from each. The resulting sample average is $672.41. Assuming a population standard deviation of $63.90 and a 5% level of significance, determine...
According to the U.S. Bureau of Labor Statistics, the average weekly earnings of a production worker...
According to the U.S. Bureau of Labor Statistics, the average weekly earnings of a production worker in July 2011 were $657.49. Suppose a labor researcher wants to test to determine whether this figure is still accurate today. The researcher randomly selects 53 production workers from across the United States and obtains a representative earnings statement for one week from each. The resulting sample average is $672.15. Assuming a population standard deviation of $63.90 and a 1% level of significance, determine...
The U.S. Census Bureau reported that the average area of U.S. homes built in 2018 was...
The U.S. Census Bureau reported that the average area of U.S. homes built in 2018 was 2,623. square feet. A simple random sample of 38 homes, had an average of 2,715 square feet, with a standard deviation of 249 square feet. Assume the population is approximately normally distributed. Test the claim that the average square feet of homes built in 2019 is more than 2018 by conducting a hypothesis test at the .01 significant level?
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT