Question

Assume that the relationship between test scores and the student-teacher ratio can be modeled as a...

Assume that the relationship between test scores and the
student-teacher ratio can be modeled as a linear function with an
intercept of 698.9 and a slope of (-2.28). a decrease in the
student-teacher ratio by 2 will:

A. Reduce test scores by 2.28 on
average

B: result in a test score of 698.9

C: reduce test scores by
2.56 on average

D: reduce test scores by 4.56 for every school
district

Math   Algebra   
0 0
Add a commentTranscribed image text
Next >

Homework Answers

Answer #1

0 0
Know the answer?
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for?
Ask your own homework help question
Similar Questions
The F-statistic tests for your whole regression tells us whether all the variables we are using...
The F-statistic tests for your whole regression tells us whether all the variables we are using as a group should be discarded tells us the sum of the t-tests of all the variables we are using tells us the singificance of the constant/intercept the concept of an F-test of the regression does not exist Suppose you run a regression of test scores against parking lot area per pupil. Is the R2 likely to be high or low? A. Low, because...
A teacher wishes to investigate if there is any relationship between a student’s exam score in...
A teacher wishes to investigate if there is any relationship between a student’s exam score in Mathematics (X) and the exam score in Accounting (Y). A sample of 11 students is randomly selected and the results are summarized in the ANOVA table below:                                                                                                                    15 Marks df SS Regression 1 1305.68 Residual 9 81.96 Total 10 1387.64 Coefficients Standard Error t Stat p-value Intercept 24.13 4.657 5.182 0.005 MathScore 0.759 0.063 11.974 0.001 a. What is the estimated regression equation...
The California Standardized Testing and Reporting (STAR) dataset contains data on test performance, school characteristics and...
The California Standardized Testing and Reporting (STAR) dataset contains data on test performance, school characteristics and student demographic backgrounds. The data used here are from all 420 K-6 and K-8 districts in California with data available for 1998 and 1999. Test scores are the average of the reading and math scores on the Stanford 9 standardized test administered to 5th grade students. TESTSCR: AVG TEST SCORE (= (READ_SCR+MATH_SCR)/2 ); STR: STUDENT TEACHER RATIO (ENRL_TOT/TEACHERS); Using the provided table, write down...
An OT educator, investigating the degree of relationship between student scores on a battery of personality...
An OT educator, investigating the degree of relationship between student scores on a battery of personality tests and performance in OT graduate school, gave a random sample of 50 applicants accepted for admission to an OT school a personality inventory evaluation. At the end of the first year, college grade point average (GPA) was also recorded for each of the 50 students in the study. What statistical procedure is appropriate for assessing degree of association between personality scores and freshman...
A researcher is conducting a test to assess the relationship between parents’ level of education and...
A researcher is conducting a test to assess the relationship between parents’ level of education and whether choose private or public school. The researcher got the following result. What does it mean from the below result? value df Asymp. Sig. (2-sided) Pearson Chi-Square Likelihood Ratio Linear-by-Linear Association N of Valid Cases 17.45 17.651 1.951 2099 6 6 1 .008 .007 .162 0 cells (.0%) have expected count less than 5. The minimum expected count is 14.82.
To investigate the relationship between the number of years of education of post-high school students (YRSED),...
To investigate the relationship between the number of years of education of post-high school students (YRSED), their high school scores (HSSCORE), the average hourly wages (WAGES), and the unemployment rates (UNEMP), a researcher specified the estimated model: YRSEDUC(I)=7.4451+0.1104HSSCOREI+0.0906WAGESI-0.0391UNEMPI+0.3361BLACKI                 (0.523)    (0.006) (0.048) (0.022) (0.134) R2 = 0.269 , SER=1.556 (values in parentheses are the standard error of coefficients, respectively) The definitions and units of measurement of the variables are as follows: YRSED - the actual number of years of education...
A health policy economist interested in investigating the relationship between the cost of prescription drugs in...
A health policy economist interested in investigating the relationship between the cost of prescription drugs in Canada and the cost of prescription drugs in the United States has information from a random sample of 51 prescription drugs sold in both countries. For each of these drugs, the economist is examining two pieces of information: the average cost x (in Canadian dollars) of a one-month supply of the drug in Canada, and the average cost y (in U.S. dollars) of a...
What is the relationship between the amount of time statistics students study per week and their...
What is the relationship between the amount of time statistics students study per week and their final exam scores? The results of the survey are shown below. Time 9 3 13 5 15 8 5 16 Score 80 75 91 75 93 78 82 91 Find the correlation coefficient: r=r=    Round to 2 decimal places. The null and alternative hypotheses for correlation are: H0:H0: ? μ r ρ  == 0 H1:H1: ? r ρ μ   ≠≠ 0 The p-value is:    (Round to four...
A popular, nationwide standardized test taken by high-school juniors and seniors may or may not measure...
A popular, nationwide standardized test taken by high-school juniors and seniors may or may not measure academic potential, but we can nonetheless examine the relationship between scores on this test and performance in college. We have chosen a random sample of fifteen students just finishing their first year of college, and for each student we've recorded her score on this standardized test (from 400 to 1600 ) and her grade point average (from 0 to 4 ) for her first...
The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest level...
The College Board provided comparisons of Scholastic Aptitude Test (SAT) scores based on the highest level of education attained by the test taker's parents. A research hypothesis was that students whose parents had attained a higher level of education would on average score higher on the SAT. The overall mean SAT math score was 514.† SAT math scores for independent samples of students follow. The first sample shows the SAT math test scores for students whose parents are college graduates...
ADVERTISEMENT
Need Online Homework Help?

Get Answers For Free
Most questions answered within 1 hours.

Ask a Question
ADVERTISEMENT