posted by .

A researcher has collected statistics pretest scores for students representing 3 different age groups

18-30 31-45 45 and up
3 5 10
7 10 2
9 9 8
6 8 8
4 6 5

Do hypothesis test using ANOVA to find if significant difference. Use alpha .05. All hypothesis steps and find degrees of freedom and critical values, calulate test statistic and effect size and write results in apa style.

Use Scheffe posttest if appropriate.

• physical science posttest -

i need help because i have this posttest like a homework and i never take this class and I have to finish the posttest and i don't know what to do.
Can you help me.?

## Similar Questions

1. ### statistics

A researcher is testing the hypothesis that consuming a sports drink during exercise improves endurance. A sample of n=50 male college students is obtained and each student is given a series of three endurance tasks and asked to consume …
2. ### statistics

below is the test scores for students in a statistics class.80,65,79,83,60,79,90,77,84,93.the professor assigned a grade of c to students whose test scores were within 5 points of the mean in either direction .how many students got …
3. ### Statistics

In an exam, we randomly chose some students who get both the pretest and the posttest. We are interested in the difference of the score of two test. Assume that the ¦Ò of score difference is 10 and the difference follows a normal …
4. ### statistics

A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha …
5. ### Math- Anova

A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha …
6. ### I am really in need of someone help! Please

A researcher has collected statistics pretest scores for students representing 3 different age groups 18-30 31-45 45 and up 3 5 10 7 10 2 9 9 8 6 8 8 4 6 5 Do hypothesis test using ANOVA to find if significant difference. Use alpha …
7. ### math

A researcher wanted to answer the following question: What is the difference in students' computer anxiety based on whether or not they own computers?
8. ### Statistics

I bemieve the t test is paired , want to make usre beofre I run the stats. A researcher wanted to answer the following question: What is the difference in students' computer anxiety based on whether or not they own computers?
9. ### stsats

A researcher wanted to answer the following question: What is the difference in students' computer anxiety based on whether or not they own computers?
10. ### Statistics

Please Help, thank you! A researcher measures the following scores for a group of people. The X variable is the number of errors on a math test, and the Y variable is the person’s level of satisfaction with his/her performance. (a) …

More Similar Questions