Question

In: Statistics and Probability

In an effort to improve the mathematical skills of 6 students, a teacher provides a weekly...

In an effort to improve the mathematical skills of 6 students, a teacher provides a weekly 1-hour tutoring session for the students. A pre-test is given before the sessions, and a post-test is given after. The results are shown here. Use a 0.05 to test the claim that the sessions help to improve the students' mathematical skills. Student 1 2 3 4 5 6 Pre-test 82 76 91 62 81 67 Post-test 88 80 98 80 80 73 Find the P-value.

Solutions

Expert Solution

Solution : Here concept of paired t-test is used.

Please rate the answer. Thank you.

orchestra answered 1 year ago
Next > < Previous

Related Solutions

A study was conducted to see if students’ writing skills continue to improve as the academic...
A study was conducted to see if students’ writing skills continue to improve as the academic year progresses. English 101 students were asked to write essays throughout the year in September, December, March and June. The scores were compared to see if there is any improvement in this one-year course. Was there a significant improvement? Student September December March June 1 17 23 21 24 2 25 21 21 24 3 24 16 21 29 4 18 18 25 27...
You believe that requiring students to attend a series of presentations on study skills will improve...
You believe that requiring students to attend a series of presentations on study skills will improve their grades. You are concerned that boys and girls might react differently to such a series, and that students in grades 9 and 10 might react differently than those in grades 11 and 12. You set up an experiment involving 100 students in ninth and tenth grade and 100 students in eleventh and twelfth grade. (Assume there are equal numbers of girls and boys...
You believe that requiring students to attend a series of presentations on study skills will improve...
You believe that requiring students to attend a series of presentations on study skills will improve their grades. You are concerned that boys and girls might react differently to such a series, and that students in grades 9 and 10 might react differently than those in grades 11 and 12. You set up an experiment involving 100 students in ninth and tenth grade and 100 students in eleventh and twelfth grade. (Assume there are equal numbers of girls and boys...
You believe that requiring students to attend a series of presentations on study skills will improve...
You believe that requiring students to attend a series of presentations on study skills will improve their grades. You are concerned that boys and girls might react differently to such a series, and that students in grades 9 and 10 might react differently than those in grades 11 and 12. You set up an experiment involving 100 students in ninth and tenth grade and 100 students in eleventh and twelfth grade. (Assume there are equal numbers of girls and boys...
3. A teacher believes that a new method will improve students’ reading ability. For 8 weeks,...
3. A teacher believes that a new method will improve students’ reading ability. For 8 weeks, she teaches a class of 21 students using these new methods. Meanwhile a colleague uses “traditional” methods to teach his 23 students. At the end of the 8 weeks, all the students are given the Degree of Reading Power Test. Here are the scores:          New Method students 24 43 58 71 43 49 61 44 67 49 53 56 59 52 62 54 57...
Ivanhoe provides testing services to school districts that wish to assess students’ reading and mathematical abilities....
Ivanhoe provides testing services to school districts that wish to assess students’ reading and mathematical abilities. Last year Crane evaluated 30,000 math tests and 10,000 reading tests. An income statement for last year follows. Math Testing Reading Testing Total Per Unit Total Per Unit Total Company Sales revenue $960,000 $32 $480,000 $48 $1,440,000 Variable expenses 672,000 22.40 240,000 24 912,000 Contribution margin $288,000 $9.60 $240,000 $24 528,000 Fixed expenses 360,000 Operating income $168,000 (a) What is Ivanhoes breakeven point in...
Researchers believe that learning through video imitation will improve self-care skills. For 6 months the researchers...
Researchers believe that learning through video imitation will improve self-care skills. For 6 months the researchers worked with mentally impaired individuals in which half were taught self-care skills through video imitation and the other half through physical guidance. At the end of the 6 months, individuals were asked to independently perform the self-care task and were rated on the level of required assistance where a higher score indicates more assistance. What can be concluded with an α of 0.05? The...
How can i assess my skills and develop a plan to improve the skills to be...
How can i assess my skills and develop a plan to improve the skills to be successful in the financial services industry?
talking about the communication skills in the working environment Steps to improve communication skills in the...
talking about the communication skills in the working environment Steps to improve communication skills in the workplace. Types of communication skills. Barriers to effective communication. What is communication skills? And way it is important for the success of any business or job
A teacher was interested in the mathematical ability of graduating high school seniors in her state....
A teacher was interested in the mathematical ability of graduating high school seniors in her state. She gave a 32-item test to a random sample of 15 seniors with the following results: mean = 1270, and standard deviation = 160. Find the 95% confidence interval and write a sentence describing what it means. Show your work.
ADVERTISEMENT
Subjects
ADVERTISEMENT
Latest Questions
ADVERTISEMENT