Question: Wainer (1997) presented data on the relationship between hours of TV watching and mean scores on the 1990 National Assessment of Educational Progress (NAEP) for

Wainer (1997) presented data on the relationship between hours of TV watching and mean scores on the 1990 National Assessment of Educational Progress (NAEP) for eighth-grade mathematics assessment. The data follow, separated for boys and girls.

(a) Plot the relationship between Hours Watched and NAEP Mathematics scores separately for boys and girls (but put them on the same graph).
(b) Find and interpret the slope and intercept for these data, again keeping boys and girls separate.
(c) We know from other data that boys spend more time watching television than girls. Could this be used as an explanation of performance differences between boys and girls?

Hours TV Watched Girls NAEP Boys NAEP 0 258 269 267 261 259 253 239 276 273 292 269 266 259 249 2 3 5 6

Step by Step Solution

★★★★★

3.47 Rating (177 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a The evils of television Regression equations Boys Y 4821 ... 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)

567-M-S-L-R (4479).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Eddies Restaurants collected the following data on the relationship between advertising and sales at a sample of five restaurants: a. Let x represent advertising expenditures and y represent sales....

Exercise 12.3.7 deals with data on the relationship between body length and jumping distance of bullfrogs. A third variable that was measured in that study was the mass of each bullfrog. The...

Refer to the Science (Feb. 20, 2004) study on the relationship between brain activity and pain-related empathy in persons who watch others in pain, presented in Exercise. Recall that 16 female...

Answer the following questions based on the article and explain your answer. Correlations among Stress, Physical Activity and Nutrition: School Employee Health Behavior Are the research problems,...

ASSIGNMENT: For this essay, you will select one of the articles provided below and engage. Your response will provide a detailed summary of the source's argument and respond to that argument with...

Analyze the Design and Methodology in Two Quantitative Studies Recall the two quantitative studies you read for this lesson from the eReserves; use these to answer the following questions: Identify...

Using Teacher-Written Praise Notes to Promote a Positive Environment in a Middle School Julie A. Peterson Nelson, Benjamin J. Young, Ellie L. Young, and Gregory Cox ABSTRACT: Teachers in 1 middle...

In the attached article: What concerns are related to the article in reference to validity and reliability faced ? Were steps taken to ensure validity and reliability? Culturally Competent...

Consider an object moving in two dimensions whose position vector at time t is given by 7 (t) = (-1, 21-1) for t 20 (a) Find expressions for the velocity vector v(t), ds the acceleration vector (t),...

Tim Angel opened a small travel agency. At the end of its second year of operation, Angel Travel, Inc., had the trial balance shown below. The following information is also available: a. Office...

EXERCISE 9-19. Calculate the Accounting Rate of Return The Deaton Company is considering entering a new line of business. Starting the business will require an initial investment in equipment of...

Conclusion Why has the complaint against excessive government been consistent throughout the years? .

Rerun the analysis for the data in Exercise 18.10 using R or SPSS. (If you are using R you can either see the Web page referred to earlier or read your data from Ex18-10Long.dat.) Exercise 18.10 St....

Calculate an estimate of d for the comparison you made in Exercise 18.8. Exercise 18.8 Use the protected t tests with the data in Exercise 18.1 to help you interpret the results. However this time...

Use the protected t tests with the data in Exercise 18.1 to help you interpret the results. However this time compare the mean of the two baseline measures with the mean of the three training...

You need some money today and the only friend you have that has any is your miserly friend. He agrees to loan you the money you need, if you make payments of $30 a month for the next six months. In...

(consider all in millions)-MVA For the fiscal year ending January 31, 2012, Targets EBIT was $5,322,* and its tax rate was 34.3 percent. Its short-term borrowings were $3,786, and its long-term debt...

Diagnostic Supplies has expected sales of 162,000 units per year, carrying costs of $2 per unit, and an ordering cost of $5 per order. a. What is the economic ordering quantity? Economic ordering...