Question: CPMP, again During the study described in Exercise 57, students in both CPMP and traditional classes took another algebra test that did not allow them

CPMP, again During the study described in Exercise 57, students in both CPMP and traditional classes took another algebra test that did not allow them to use calculators. The table below shows the results. Are the mean scores of the two groups significantly different?

Performance on Algebraic Symbolic Manipulation without Use of Calculators
a) Write appropriate hypotheses.
b) Do you think the assumptions for inference are satisfied? Explain.
c) Here is computer output for this hypothesis test. Explain what the P-value means in this context.
2-Sample t-Test of (1 - (2 ‰ 0 t-Statistic = -6.451 w/574.8761 df P d) State a conclusion about the CPMP program

Math Program Mean SD CPMP Traditional 265 38.4 16.2 312 29.0 18.8

Step by Step Solution

★★★★★

3.50 Rating (163 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a H 0 The mean score of CPMP students is the same as the mean score of traditionalstudents C T or C ... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

662-M-S-S-I (4412).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

During the study described in Exercise 25, students in both CPMP and traditional classes took another algebra test that did not allow them to use calculators. The table shows the results. Are the...

In the study described in Exercise 50, the researchers also contacted the subjects again, 24 hours later, and asked them to recall the brands advertised. Results for the number of brands recalled are...

The study described in Exercise 10.16 also evaluated the weekly time spent in employment. This sample comprises men and women with a high level of labor force attachment. Software shows the results....

59. CPMP, again During the study described in Exercise 57, students in both CPMP and traditional classes took another Algebra test that did not allow them to use calculators. The table below shows...

CPMP, again During the study described in Exercise 57, students in both CPMP and traditional classes took another algebra test that did not allow them to use calculators. The table below shows the...

CPMP, again During the study described in Exercise 7, students in both CPMP and traditional classes took another Algebra test that did not allow them to use calculators. The table below shows the...

=+27. CPMP, again. During the study described in Exercise 25, students in both CPMP and traditional classes took another algebra test that did not allow them to use calculators. The table shows the...

CPMP, again. During the study described in Exercise 7, students in both CPMP and traditional classes took another Algebra test that did not allow them to use calculators. The table below shows the...

The financial crisis of 2008-2010 threatened to cause all large banks in the developed countries to go bankrupt and destroy a large portion of the money supply. In response, the governments of those...

Suppose First Main Street Bank, Second Republic Bank, and Third Fidelity Bank all have zero excess reserves. The required reserve ratio is 5%. The Federal Reserve buys a government bond worth...

Coupon rate Yield to maturity Current yield Coupon rate > Current yield > Yield to maturity uestion 3 ( 0 . 3 5 7 1 4 3 points ) Saved A newly issued bond has a coupon rate of 6 . 4 percent and...

The book lists and explains general properties of commercial relationships. It is common to rank such properties in order of importance but the book claims that such rankings are misleading. Why and...

Below is a table of hourly wages being paid to workers doing comparable assembly work in various countries? a. Show the values in a grouped-data frequency table, using classes $0 to under $2, $2 to...

For the data in Exercise 71, set up a grouped data frequency table using classes 0 to under 3, 3 to under 6, and 6 to under 9, and 9 to under 12. In exercise a. Draw the histogram. b. Estimate the...

For the data in Exercise 71, set up a grouped data frequency table using classes 0 to under 5 and 5 to under 10. In exercise a. Draw the corresponding histogram. b. Use the grouped data table to...

Suppose you're considering investing in a portfolio consisting of 3 0 % Treasury bonds and 7 0 % in an "index fund" representing all U . S . common stocks. The returns of the Treasury bonds are...

Two sisters each open IRAs in 2011 and plan to invest $3,000 per year for the next 30 years. Mary makes her first deposit on January 1, 2011, and will make all future deposits on the first day of the...

Which of the following is(are) among the responsibilities of FINRA? (1) Educating investors. (2) Fostering market transparency. (3) Writing and enforcing rules governing the activities of all...