Calculate the correlation between pretest and posttest score

Assignment Help Applied Statistics

Reference no: EM1381347

A new program is developed to enrich thekindergarteneperience of children in prepararion doe first grade. Hillmont school system tries out the new curriculum in one classroom and compares ir with another classroom using the old ccurriculum. Pupils in each classroom are tested at the beginning of the school year (the pretest) and again at the end of the school year (the posttest). The test gives a score of 10 if the pupil perfors at grade level. The scores for the two new classes are given at right.

a. Determine sperately for each group whether performance improved from pretest to posttest. Assume α = .05 and a non directional alternative hypothesis.

b. Determine separately for each group whether the posttest scores are significantly higher than grade-level performance, that is µ = 10. (Note, One-sample test)

c. Calculate the correlation between pretest and posttest scores separately for each gruop

Reference no: EM1381347

Questions Cloud

How many devices can you test completely : At maximum operator speed how long will it take each device to come off the test line? How many devices can you test completely in a 1 hour shift?

Will any action notices be generated : Develop a material requirement plan for the next 7 weeks for Item B and C. Will any action notices be generated? If so, explain what they are and why they must be generated.

Underlying molecular basis of inheritance : Assume you are part of a team of scientists exploring a small, newly found island. This island is located approximately 150 miles off the coast of the mainland.

Calculate the new compa-ratio for this individual : Calculate the new compa-ratio for this individual after receiving the 7% pay increase. Calculate the new midpoint, minimum, and maximum as of January 1, 2014.

Calculate the correlation between pretest and posttest score : Calculate the correlation between pretest and posttest scores separately for each gruop and determine sperately for each group whether performance improved from pretest to posttest

List the hypotheses and critical value of t : Test the hypothesis that there is not relationship between the proneness to use excessive force score and the force score for officers trained at Academy A.

Hereditary fructose interolance : Hereditary fructose interolance is a rare recessive disorder that is caused through a mutation in the aldolase B gene. As a result of this disorder individuals may have all of the following symptoms except:

Glucagon binds receptor : Determine when glucagon binds its receptor there is an increase in the second messenger, cAMP. cAMP levels can be reduce by which of the following enzymes?

Why do you think ikea''s expansion into europe : Why do you think IKEA's expansion into Europe went so well? Why did the company subsequently stumble into North America? What lessons did IKEA learn from this experience? How is the company applying these lessons?

User Account

All Pages