ZuoTi.Pro
Question

You are tasked with determining if there is a difference in the average number of years...

You are tasked with determining if there is a difference in the average number of years of education of men and women in California. You take a random sample of 800 men and 3,200 women. The average education in your sample of men is 14 years with a sample standard deviation of 5 years. The average education in your sample of women is 15 years with a sample
standard deviation of 10 years.
a. What is your null hypothesis?
b. What is your alternative hypothesis?
c. State your conclusion regarding the difference in average education,
using 5% significance.
d. What is the 95% confidence interval for the difference in average
wages?

math   Statistics-And-Probability   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Null hypothesis: That is, there is no difference in the average number of years of education of men and women in Califomia. Alternative hypothesis: That is, there is a difference in the average number of years of education of men and women in Califomia. Excel add-in (Mega Stat) procedure: Step 1: In EXCEL, Select Add-Ins > Mega Stat > Hypothesis Tests Step 2: Choose Compare Two Independent Groups. Step 3: Choose Summary Input Step 4: In Group 1, enter Bl:B4 (Select ranges with label mean, SD, n).

0 0
Add a comment
Know the answer?
Add Answer to:
You are tasked with determining if there is a difference in the average number of years...
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. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • 29 Snake Pliskin, the owner of NYC Rodent Infestation Solutions, Corp. recently observed a difference between...

    29 Snake Pliskin, the owner of NYC Rodent Infestation Solutions, Corp. recently observed a difference between it's male and female sales agents. A sample of 40 days reveals Men sold a mean of $1,400.00 worth of new accounts per day. A sample of 50 days revealed that women sold a mean of $1,500.00 worth of new accounts per day. Assume the population standard deviation for men is $200.00 and for women is $250.00. At the .05 significance level, can Mr....

  • You have been analyzing discharges by sex from DRG 462, Rehabilitation, for Critical Care Hospital. Specifically, you are interested in determining if there is a difference in average age by sex. Revi...

    You have been analyzing discharges by sex from DRG 462, Rehabilitation, for Critical Care Hospital. Specifically, you are interested in determining if there is a difference in average age by sex. Review the data in Table 5–A–1, and answer the questions that follow. Table 5–A–1 Mean Age of Patients by Sex, DRG 462, Rehabilitation, Critical Care Hospital, 2004 Female Male Total N 80 88 168 Mean 55.467 53.947 54.671 Standard Deviation 17.5344 19.1981 18.3856 Standard Error 1.9604 2.0465 1.4185 Lower...

  • 7-8 Final Exam Review BUSI 2370.pdf 7) A recent study focused on the number of times...

    7-8 Final Exam Review BUSI 2370.pdf 7) A recent study focused on the number of times men and women send a Twitter message in a day. The information is summarized below. Sample Size Sample Mean Population Standard Deviation 28 23 Women 30 25 Men At the 0.01 significance level, is there a difference in the mean number of times men and women send a Twitter message in a day? Based on the p-value, what is your conclusion? A) Reject the...

  • A recent study focused on the number of times men and women who live alone buy...

    A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distributions follow the normal probability distribution. The information is summarized below.   Statistic Men Women   Sample mean 25.57    22.33      Population standard deviation 5.58    4.95      Sample size 36    40       At the .01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a...

  • Suppose you work for a political pollster during an election year. You are tasked with determining...

    Suppose you work for a political pollster during an election year. You are tasked with determining the projected winner of the November election. That is, you wish to determine if the number of votes for Candidate 1 is less than the votes for Candidate 2. What are the hypotheses for this test? 1) HO: μ1 = μ2 HA: μ1 ≠ μ2 2) HO: μ1 > μ2 HA: μ1 ≤ μ2 3) HO: μ1 ≤ μ2 HA: μ1 > μ2 4)...

  • A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distributions follow the normal probability distribution. The information...

    A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distributions follow the normal probability distribution. The information is summarized below.   Statistic Men Women   Sample mean 25.57    22.33      Population standard deviation 5.58    4.95      Sample size 36    40       At the .01 significance level, is there a difference in the mean number of times men and women order take-out dinners in a month? Hint: Consider the "Men" data...

  • QUESTION 24 Problem 24) For a project that investigates the average weight difference by gender of...

    QUESTION 24 Problem 24) For a project that investigates the average weight difference by gender of patients from the Mayo clinic the researcher collected a sample of 64 male patients and another sample of 36 female patients. The researcher then calculated the sample mean of male patients as 160 lbs with a sample standard deviation of 20 lbs, and the sample mean of female patients as 140 lbs with a sample standard deviation of 10 lbs. Test the claim that...

  • For a project that investigates the average weight difference by gender of patients from the Mayo Clinic,

    For a project that investigates the average weight difference by gender of patients from the Mayo Clinic, the researcher collected a sample of 64 male patients and another sample of 36 female patients. The researcher then calculated the sample mean of male patients as 160 lbs with a sample standard deviation of 20 lbs, and the sample mean of female patients as 140 lbs with a sample standard deviation of 10 lbs Test the claim that the average weight of...

  • .. A Cornell University study of average wage differentials between men and women reported that one...

    .. A Cornell University study of average wage differentials between men and women reported that one of the reasons average wage for men is higher than wages for women is that men tend to have more years of work experience (exp.) than women. Assume the following random sample summaries were obtained for each group. Men Women Sample size 30 45 Sample Average 14.9 years of exp. 10.3 years of exp. 3.8 years of exp. Sample St. Deviation 5.2 years of...

  • A recent study focused on the number of times men and women who live alone buy...

    A recent study focused on the number of times men and women who live alone buy take-out dinner in a month. Assume that the distributions follow the normal probability distribution and the population standard deviations are equal. The information is summarized below. Statistic Sample mean Sample standard deviation Sample size Men Women 24.51 22.69 4.48 3.86 35 40 difference in the mean number of times men and women order take-out dinners At the 0.01 significance level, is there in a...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT