Question

You are testing the claim that the mean GPA of night students is greater than the...

You are testing the claim that the mean GPA of night students is greater than the mean GPA of day students. You sample 30 night students, and the sample mean GPA is 2.82 with a standard deviation of 0.43 You sample 60 day students, and the sample mean GPA is 2.58 with a standard deviation of 0.77 Calculate the test statistic, rounded to 2 decimal places

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

Homework Answers

Answer #1

Answer :  1.895

....

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
You are testing the claim that the mean GPA of night students is different than the...
You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 60 night students, and the sample mean GPA is 2.93 with a standard deviation of 0.67 You sample 40 day students, and the sample mean GPA is 2.58 with a standard deviation of 0.57 Calculate the test statistic, rounded to 2 decimal places
You are testing the claim that the mean GPA of night students is different than the...
You are testing the claim that the mean GPA of night students is different than the mean GPA of day students. You sample 35 night students, and the sample mean GPA is 2.84 with a standard deviation of 0.75 You sample 30 day students, and the sample mean GPA is 2.42 with a standard deviation of 0.43 Calculate the test statistic, rounded to 3 decimal places
You are testing the claim that the mean GPA of night students is greater than the...
You are testing the claim that the mean GPA of night students is greater than the mean GPA of day students. You sample 55 night students, and the sample mean GPA is 2.49 with a standard deviation of 0.57 You sample 20 day students, and the sample mean GPA is 2.74 with a standard deviation of 0.53 Calculate the test statistic, rounded to 2 decimal places
You are testing the claim that the mean GPA of night students is less than the...
You are testing the claim that the mean GPA of night students is less than the mean GPA of day students. You sample 45 night students, and the sample mean GPA is 2.66 with a standard deviation of 0.91 You sample 60 day students, and the sample mean GPA is 2.7 with a standard deviation of 0.98 Use the t-distribution to calculate the test statistic, rounded to 2 decimal places
You are testing the claim that the mean GPA of night students is less than the...
You are testing the claim that the mean GPA of night students is less than the mean GPA of day students. You sample 40 night students, and the sample mean GPA is 2.16 with a standard deviation of 0.93 You sample 45 day students, and the sample mean GPA is 2.2 with a standard deviation of 0.42 Calculate the test statistic, rounded to 2 decimal places
You are testing the claim that the mean GPA of night students is different from the...
You are testing the claim that the mean GPA of night students is different from the mean GPA of day students. You sample 25 night students, and the sample mean GPA is 2.23 with a standard deviation of 0.93. You sample 60 day students, and the sample mean GPA is 2.05 with a standard deviation of 0.54. Test the claim using a 10% level of significance. Assume the population standard deviations are unequal and that GPAs are normally distributed. H0:...
Test the claim that the mean GPA of night students is larger than the mean GPA...
Test the claim that the mean GPA of night students is larger than the mean GPA of day students at the 0.025 significance level. The null and alternative hypothesis is H0:μN≤μD H1:μN>μD The test is right tailed The sample consisted of 25 night students, with a sample mean GPA of 2.11 and a standard deviation of 0.06, and 25 day students, with a sample mean GPA of 2.1 and a standard deviation of 0.07. The test statistic is: The p-value...
Test the claim that the mean GPA of night students is larger than the mean GPA...
Test the claim that the mean GPA of night students is larger than the mean GPA of day students at the .005 significance level. The null and alternative hypothesis would be: H0:pN=pDH0:pN=pD H1:pN<pDH1:pN<pD H0:pN=pDH0:pN=pD H1:pN>pDH1:pN>pD H0:μN=μDH0:μN=μD H1:μN≠μDH1:μN≠μD H0:μN=μDH0:μN=μD H1:μN>μDH1:μN>μD H0:pN=pDH0:pN=pD H1:pN≠pDH1:pN≠pD H0:μN=μDH0:μN=μD H1:μN<μDH1:μN<μD The test is: left-tailed two-tailed right-tailed The sample consisted of 70 night students, with a sample mean GPA of 2.58 and a standard deviation of 0.04, and 30 day students, with a sample mean GPA of 2.53...
Test the claim that the mean GPA of night students is larger than the mean GPA...
Test the claim that the mean GPA of night students is larger than the mean GPA of day students at the 0.10 significance level. The null and alternative hypothesis would be: H0:μN≤μD H1:μN>μD H0:μN≥μD H1:μN<μD H0:pN≤pD H1:pN>pD H0:μN=μD H1:μN≠μD H0:pN=pD H1:pN≠pD H0:pN≥pD H1:pN<pD The test is: two-tailed left-tailed right-tailed The sample consisted of 35 night students, with a sample mean GPA of 2.74 and a standard deviation of 0.07, and 35 day students, with a sample mean GPA of 2.73...
1. Test the claim that the mean GPA of night students is smaller than the mean...
1. Test the claim that the mean GPA of night students is smaller than the mean GPA of day students at the .05 significance level. The null and alternative hypothesis would be: H0:μN≤μDH0:μN≤μD H1:μN>μDH1:μN>μD H0:pN≥pDH0:pN≥pD H1:pN<pDH1:pN<pD H0:pN=pDH0:pN=pD H1:pN≠pDH1:pN≠pD H0:pN≤pDH0:pN≤pD H1:pN>pDH1:pN>pD H0:μN≥μDH0:μN≥μD H1:μN<μDH1:μN<μD H0:μN=μDH0:μN=μD H1:μN≠μDH1:μN≠μD The test is: right-tailed two-tailed left-tailed The sample consisted of 30 night students, with a sample mean GPA of 3.33 and a standard deviation of 0.03, and 40 day students, with a sample mean GPA of...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT