Question

The sociological department of Kent College conducted an investigation to determine how long it takes for...

The sociological department of Kent College conducted an investigation to determine how long it takes for a woman or man to get married after their graduation in Kent Town. Two independent random samples were selected and the following summary information concerning times to completion of medical school were computed:

Men: Sample size 100 Sample mean: 8.8 years Population Standard Deviation 1.4 years

Women:Sample size 85 Sample mean: 8.4 years Population Standard Deviation: 1.5 years

a) State the appropriate null and alternative hypotheses to determine whether there is a significant difference in time to completion of medical school between women and men

b) Perform the appropriate test of hypothesis to determine whether there is a significant difference in time to completion of medical school between women and men. Test using α = 0.05.

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 psychology department of Bahçeşehir University conducted an investigation to determine how long it takes for...
The psychology department of Bahçeşehir University conducted an investigation to determine how long it takes for a woman or man to get married after their graduation in Istanbul. Two independent random samples were selected and the following summary information concerning times to completion of university were computed. Sample Size Sample Mean Population Variance Men Women 100 85 8.8 8.4 1.96 2.25 a) State the appropriate null and alternative hypotheses to determine whether there is a significant difference in time to...
A university investigation was conducted to determine whether women and men complete medical school in significantly...
A university investigation was conducted to determine whether women and men complete medical school in significantly different amounts of time, on the average. Two independent random samples were selected and the following summary information concerning times to completion of medical school computed. Perform the appropriate test of hypothesis, at level 0.05 to determine whether there is a significant difference in time to completion of medical school between women and men. Women Men Sample Size 90 100 Mean 8.4 years 8.5...
1. Several baseline studies are conducted on X = “cholesterol level (mg/dL)” in a certain population...
1. Several baseline studies are conducted on X = “cholesterol level (mg/dL)” in a certain population of individuals. From the given information described below for each of these studies, choose the LETTER of the most appropriate statistical test to be implemented, from the following list. Note: For each study, there is only one correct choice of test. However, a given statistical test can be the correct choice for more than one study. For example, choice A could be the correct...
A career counselor is interested in examining the salaries earned by graduate business school students at the end of the first year after graduation
A career counselor is interested in examining the salaries earned by graduate business school students at the end of the first year after graduation. In particular, the counselor is interested in seeing whether there is a difference between men and women graduates salaries. From random sample of 20 men, the mean salary is found to be 42 780 dollar with a sample standard deviation of 5 426 dollar. From a sample of 12 women, the mean salary is found to...
A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part...
A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and men. At = 0.05, what is an appropriate test value? Women Men Sample size 50 70 Mean effectiveness 4.9 4 Population variance 2.6 4.6 A. 7.65 B. 0.34 C. 0.38 D. 2.62
Problem 2 A company is interested in knowing whether males and females differ in the amount...
Problem 2 A company is interested in knowing whether males and females differ in the amount of time they spend online. They ordered you to perform a study, and you reported that women spent a mean of 1,068 minutes per week online as compared to 1,398 minutes per week for men. The sample sizes were 100 each for women and men, and the population standard deviation for women was 50 minutes per week as compared to 75 minutes per week...
A researcher wants to assess if there is a difference in the average age of onset...
A researcher wants to assess if there is a difference in the average age of onset of a type of kidney disease for men and women. Let the population 1 mean be the average age of onset for women and the population 2 mean be the average age of onset for men. A random sample of 27 women with the disease showed an average age of onset to be 81 years, with a sample standard deviation of 13.5 years. A...
I want to carry out an investigation to know what methodological strategy is most effective in...
I want to carry out an investigation to know what methodological strategy is most effective in academic performance in Mathematics. For this we consider two populations of students who completed the last year at a school, both populations they were subjected to different teaching-learning strategies. By experiences Previous researchers knew that population scores were normally distributed with variances 40 and 60, respectively. A random sample of size 10, with a mean equal to 15, is drawn from population 1, and...
In the following studies, state whether you would use a one sample t test, an independent...
In the following studies, state whether you would use a one sample t test, an independent sample t test or a paired sample t test. A study examining whether there were differences in exercise preference between men and women. A blind taste test to determine preference of Pepsi vs Coca Cola. A study to determine if a class of middle school aged children had higher than normal BMI’s (normal = 25) A study to determine if IV Tylenol was more...
Teachers at a particular private school thought that they were doing an exceptional job. In order...
Teachers at a particular private school thought that they were doing an exceptional job. In order to determine just how good their school was doing, they decided to have 200 of their students undergo intelligence testing just prior to graduation. The particular intelligence test they used is normed to have a mean of 100 and a standard deviation of 15 in the population. The students from the private school scored an average of 97 over the three years that testing...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT