Question

In a large hospital, a nursing director selected a random sample of 30 registered nurses and...

In a large hospital, a nursing director selected a random sample of 30 registered nurses and found that the mean of their ages was 30.2. The population standard deviation for the registered nurse ages is 5.6. She selected a random sample of 40 nursing assistants and found the mean of their ages was 31.7. The population standard deviation of the ages for the assistants is 4.3. At the 1% level of significance, test the claim that the mean age of registered nurses is different than the mean age of nursing assistants.

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
A random sample of 18 registered nurses in a large hospital showed that they worked on...
A random sample of 18 registered nurses in a large hospital showed that they worked on average 44.8 hours per week. The standard deviation of the sample was 2.4. Estimate the mean of the population with 95% confidence. Assume the variable is normally distributed. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place.
A random sample of 16 registered nurses in a large hospital showed that they worked on...
A random sample of 16 registered nurses in a large hospital showed that they worked on average 44.3 hours per week. The standard deviation of the sample was 2.3. Estimate the mean of the population with 99% confidence. Assume the variable is normally distributed. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place.
A random sample of 19 registered nurses in a large hospital showed that they worked on...
A random sample of 19 registered nurses in a large hospital showed that they worked on average 44.6 hours per week. The standard deviation of the sample was 2.1. Estimate the mean of the population with 90%confidence. Assume the variable is normally distributed. Round intermediate answers to at least three decimal places. Round your final answers to one decimal place.
Question 2: In the Payne County medical center, a surgical director selected a random sample of...
Question 2: In the Payne County medical center, a surgical director selected a random sample of 37 nurses and found that the mean of their ages was 39.40. The sample standard deviation for the ages is 6.42. The director also selected a random sample of 32 physical therapists and found the mean of their ages was 36.77. The sample standard deviation of ages for the physical therapists is 4.48. A. [3] Give one reason why this data should not be...
According to the Bureau of Labor Statistics, the mean salary for registered nurses in Kentucky was...
According to the Bureau of Labor Statistics, the mean salary for registered nurses in Kentucky was $55,599. The distribution of salaries is assumed to be normally distributed with a standard deviation of $5,987. Someone would like to determine if registered nurses in Ohio have a greater average pay. To investigate this claim, a sample of 269 registered nurses is selected from the Ohio Board of Nursing, and each is asked their annual salary. The mean salary for this sample of...
Question 4 The registered nurses at Bossier General Hospital are required to take an annual EKG...
Question 4 The registered nurses at Bossier General Hospital are required to take an annual EKG test. The average score on the EKG test is 89. The director of nursing examined 16 SICU registered nurses’ scores. They had an average score of 94 with a standard deviation of 8. At a level of significance of 0.05, what should you conclude? SICU nurses’ scores are not significantly different from the group. SICU nurses’ scores are significantly higher than the group. SICU...
According to the Bureau of Labor Statistics, the mean salary for registered nurses in Kentucky was...
According to the Bureau of Labor Statistics, the mean salary for registered nurses in Kentucky was $58,605. The distribution of salaries is assumed to be normally distributed with a standard deviation of $5,688. Someone would like to determine if registered nurses in Ohio have a greater average pay. To investigate this claim, a sample of 297 registered nurses is selected from the Ohio Board of Nursing, and each is asked their annual salary. The mean salary for this sample of...
1. A researcher claims that the mean age of women in California at the time of...
1. A researcher claims that the mean age of women in California at the time of a first marriage is higher than 26.5 years. Surveying a simple random sample of 210 newlywed women in California, the researcher found a mean age of 27.0 years. Assuming that the population standard deviation is 2.3 years and using a 95% level of confidence, determine if there is sufficient evidence to support the researcher’s claim. 2. Nurses in a large teaching hospital have complained...
According to the Bureau of Labor Statistics, the mean salary for registered nurses in Kentucky was...
According to the Bureau of Labor Statistics, the mean salary for registered nurses in Kentucky was $56,907. The distribution of salaries is assumed to be normally distributed with a standard deviation of $5,507. Someone would like to determine if registered nurses in Ohio have a greater average pay. To investigate this claim, a sample of 240 registered nurses is selected from the Ohio Board of Nursing, and each is asked their annual salary. The mean salary for this sample of...
Motivating Nurses at a Hospital You have been hired by the director of a large suburban...
Motivating Nurses at a Hospital You have been hired by the director of a large suburban hospital to help resolve problems of poor morale that have been plaguing the nursing staff. Unfortunately, the nurses don’t find their jobs particularly interesting. As a result, turnover and absenteeism have been high, and patient care is at an all-time low. The problem is apparent to everyone; both doctors and patients have been complaining. After interviewing the nurses, you found that they believed that...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT