Question

question 34: for the exam results below, test the null hypothesis that the two independent samples...

question 34:

for the exam results below, test the null hypothesis that the two independent samples come from similar populations.

group A: 70, 96, 77, 90, 81, 45, 55, 68, 74, 99, 88

Group B: 89, 92, 60, 78, 84, 96, 51, 67, 85, 94

- what is the value of the observed test statistic?

- what is the critical value?

- reject or fail to reject?

Homework Answers

Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
Below represent scores on an exam, each entry one score for one student 40 99 59...
Below represent scores on an exam, each entry one score for one student 40 99 59 98 63 63 64 65 67 35 67 67 68 70 71 71 71 46 72 72 60 73 74 74 74 75 97 75 62 76 76 76 76 76 77 57 77 98 77 63 78 78 78 79 79 80 80 80 80 80 81 81 92 81 93 82 82 83 83 83 83 83 83 83 84 84 84...
Student Grades Student Test Grade 1 76 62 2 84 90 3 79 68 4 88...
Student Grades Student Test Grade 1 76 62 2 84 90 3 79 68 4 88 84 5 76 58 6 66 79 7 75 73 8 94 93 9 66 65 10 92 86 11 80 53 12 87 83 13 86 49 14 63 72 15 92 87 16 75 89 17 69 81 18 92 94 19 79 78 20 60 71 21 68 84 22 71 74 23 61 74 24 68 54 25 76 97...
Using the accompanying Student Grades​ data, construct a scatter chart for midterm versus final exam grades...
Using the accompanying Student Grades​ data, construct a scatter chart for midterm versus final exam grades and add a linear trendline. What is the​ model? If a student scores 7878 on the​ midterm, what would you predict her grade on the final exam to​ be? Student Midterm Final Exam 1 75 64 2 85 91 3 80 68 4 88 83 5 76 60 6 67 80 7 78 74 8 95 94 9 67 61 10 93 87 11...
Question 9-15 are based on the random sample below which is obtained to test the following...
Question 9-15 are based on the random sample below which is obtained to test the following hypothesis about the population mean. Test the hypothesis that the mean is less than 80. 80 100 81 93 80 57 98 90 71 56 58 78 59 55 55 77 72 78 56 94 98 59 93 86 89 62 60 66 59 71 96 97 94 69 64 77 87 77 64 90 90 95 98 99 56 69 72 81 95...
Test score of 40 students are listed below. Find the percentile for the test score of...
Test score of 40 students are listed below. Find the percentile for the test score of 66. 30 35 43 44 47 48 54 55 56 57 59 62 63 65 66 68 69 69 71 72 72 73 74 76 77 77 78 79 80 81 81 82 83 85 89 92 93 94 97 98
Sample scores from four different statistics class sections are shown below. Run an ANOVA test on...
Sample scores from four different statistics class sections are shown below. Run an ANOVA test on them and answer the following questions: Class 1 Class 2 Class 3 Class 4 95 79 77 81 99 68 91 96 75 84 84 68 76 78 84 89 82 74 75 78 97 93 82 75 93 95 82 88 83 88 85 98 86 95 96 59 What conclusion can we make about the hypothesis test?
The Test Scores for a Statistics course are given in the Excel below. The data (X1,...
The Test Scores for a Statistics course are given in the Excel below. The data (X1, X2, X3, X4) are for each student. X1 = score on exam #1 X2 = score on exam #2 X3 = score on exam #3 X4 = score on final exam Your professor wants to know if all tests are created equal. What is the F-Stat? EXAM1 EXAM2 EXAM3 FINAL 73 80 75 65.86667 93 88 93 80.16667 89 91 90 78 96 98...
The following scores on the midterm exam in a math class were recorded. Find IQR. 93...
The following scores on the midterm exam in a math class were recorded. Find IQR. 93 81 59 69 82 73 61 77 95 84 88 71 85 97 63 72 89 80 60 98 91 62 78 83 76 81 94 66 83 96
#10.     You are to determine if a new online teaching model is better than the existing...
#10.     You are to determine if a new online teaching model is better than the existing model, labelled old. You administer random tests to a pre-selected group of students first for material taught the old model and then under the new model. The data is given in the Excel file and is labelled problem # 10. Carry out an appropriate procedure in hypothesis testing to determine if the new model is more effective for learning. new old 78 4 86...
Since we are attempting to examine the behavior of a class of students, the behavior of...
Since we are attempting to examine the behavior of a class of students, the behavior of an individual (as we calculated in objective 1) is really of little concern to us. Assuming that there are 30 students enrolled for a typical class, use the central limit theorem to calculate the following:    •   What would be the shape of the distribution of the average class grade of these 30 students?    •   What would be the average class average of...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT