Question

From a University population, random samples of 145 men and 237 women have been asked if...

From a University population, random samples of 145 men and 237 women have been asked if they have ever cheated in a college class. 8% of the men and 6% of the women said that they have. What is the appropriate test to assess the significance of this difference?

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

Homework Answers

Answer #1

appropriate test to assess the significance of this difference should be 2 proportions z test

as test statistic is not in rejection regiion we can no reject null hypothesis

we do not have evidence at 0.05 level to conclude that there is a significant difference between proportions

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
From a university population, random samples of 145 men and 237 women have been asked if...
From a university population, random samples of 145 men and 237 women have been asked if they have ever cheated in a college class. 8% of the men and 6% of the women said that they have. What is the appropriate test to assess the significance of this difference?
7. Given in the table are the BMI statistics for random samples of men and women....
7. Given in the table are the BMI statistics for random samples of men and women. Assume that the two samples are independent simple random samples selected from normally distributed​ populations, and do not assume that the population standard deviations are equal. Complete parts​ (a) and​ (b) below. Use a 0.05 significance level for both parts. Male BMI Female BMI µ µ1 µ2 N 48 48 xˉ 27.6431 26.5609 s 7.105107 4.438441 The test​ statistic, t, is ____ ​(Round to...
Given in the table are the BMI statistics for random samples of men and women. Assume...
Given in the table are the BMI statistics for random samples of men and women. Assume that the two samples are independent simple random samples selected from normally distributed​ populations, and do not assume that the population standard deviations are equal. Complete parts​ (a) and​ (b) below. Use a 0.01 significance level for both parts. Male BMI Female BMI μ μ1 μ2 n 50 50 x̄ 27.7419 26.4352 s 8.437128 5.693359 a) Test the claim that males and females have...
You have asked a sample of men and women in your community whether or not they...
You have asked a sample of men and women in your community whether or not they intend to vote for a gas tax to raise money for public transportation. Of the men, 15 said "yes" and 20 said "no"; of the women, 25 said "yes" and 10 said "no". Assuming that proper experimental procedures have been followed, what can you conclude? (note: if you determine that the df = 1, or an expected frequency is less than 5, then you...
Given in the table are the BMI statistics for random samples of men and women. Assume...
Given in the table are the BMI statistics for random samples of men and women. Assume that the two samples are independent simple random samples selected from normally distributed​ populations, and do not assume that the population standard deviations are equal. Complete parts​ (a) and​ (b) below. Use a 0.010.01 significance level for both parts. Male BMI Female BMI muμ mu 1μ1 mu 2μ2 n 4545 4545 x overbarx 28.274128.2741 25.171825.1718 s 7.4101397.410139 4.3731854.373185
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...
Suppose independent random samples of 16 unionized women and 18 nonunionized women in manufacturing have been...
Suppose independent random samples of 16 unionized women and 18 nonunionized women in manufacturing have been selected and the following hourly wage rates are found. Union Worker: 22.40, 16.50, 18.50, 16.70, 19.80, 14.05, 17.00, 18.90, 16.20, 14.30, 20.00, 17.20, 16.10, 17.30, 19.10 ,12.30 Nonunion Worker: 17.60, 15.90, 13.90, 14.40, 19.20, 14.50, 16.60, 11.85, 15.00, 16.45, 17.65, 1 4.20, 15.00, 15.30, 17.55, 17.00, 13.30, 15.10 a. What is the point estimate of the difference between hourly wages for the two populations?...
7. A random sample of 80 faculty and 330 students from a large University were asked...
7. A random sample of 80 faculty and 330 students from a large University were asked whether they would pay an additional fee for “preferred parking” on campus. Of the faculty, 30 said yes while 170 of the students said yes. At 5% significance test for significant evidence to suggest there is a difference in the proportions of students and of faculty willing to pay an extra fee for preferred parking? Show ALL steps and ALL work
8. In the population, there is no difference between men and women on a certain test....
8. In the population, there is no difference between men and women on a certain test. However, the mean for men was higher than the mean for women in your sample, and with a t of 4.532 and a p-value of .004, you have determined it is appropriate to reject the null hypothesis and conclude a difference does exist. What type of error did you make? A. Type I B. Type II C. You confirmed the null hypothesis. D. Standard...
Are women more likely than men to practice vegetarianism? Students in three statistics classes were randomly...
Are women more likely than men to practice vegetarianism? Students in three statistics classes were randomly selected and asked whether they had ever been vegetarians and here are the results of that survey: vegetarian not vegetarian women 19 45 men 11 31 a) Find the numbers of women and men (x) who say they are now or were once vegetarians, and also the total number of women and men each sample. xw = nw = xm =   nm = b)...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT