1 answer

A teacher believes that the third homework assignment is a key predictor in how well students...

Question:

A teacher believes that the third homework assignment is a key predictor in how well students will do on the midterm. Let x r
A teacher believes that the third homework assignment is a key predictor in how well students will do on the midterm. Let x represent the third homework score and y the midterm exam score. A random sample of last terms students were selected and their grades are shown below. Assume scores are normally distributed. HW3 Midterm 93.672 23.2 11.1 64.856 57.896 87.976 10.1 20.6 10.3 63.488 14.6 70.216 5.5 48.28 11 60.56 23.5 97.56 81.064 15.9 9.9 62.304 5.4 45.984 9.7 55.712 17.7 78.392 10.5 56.08 44,76 84.72 19.5 12.1 62.816 103.152 23.7 47.832 6.7 13.3 65.368 15.4 73.584 74.728 16.8 18.7 81.352 24.9 99.704 Round answers to at least 4 decimal places. a) Calculate the corelation coefficient. r b) Perform a hypothesis test to see if the correlation is statistically significant. What is the p-value? c) Is the correlation statistically significant at the 0.01 significance leve Select an answer No d) Find the regression equation ý- Pre Yes e) Predict the exam score for a student that scored 22.6 on their third homework assignment. f) Interpret the slope coefficient For cach additional point on homework 3, the predicted midterm grade will increase 2.8394 points For each additional point on homework 3, the predicted midterm grade will decrease 30.0377 points. For each additional point on homework 3, the predicted midterm grade will decrease 2.8394 points. For 2.8394 additional points on homework 3, the predicted midterm grade will increase 30.0377 points For each additional point on homework 3, the predicted midierm grade will increase 30.0377 points.

Answers

X Values Y Values 23.2 93.672 11.1 64.856 10.1 57.896 63 488 14.6 70.216 48.28 5.5 11 60.56 15.9 81.064 62.304 45.984 9.9 5.4coef frient coTrelatiom ベ= ○98ty P- Valuve 33941Xt 30.034y The predicfed nid term grade will crea se a.8394 Pints e)

.

Similar Solved Questions

1 answer
If you were the office manager of the internist’s office that never received the x-ray report,...
If you were the office manager of the internist’s office that never received the x-ray report, what would you do to avoid a recurrence of this problem? Summary...
1 answer
46. Which one of the following compounds is consistent with the following IR spectrum? mmmm -...
46. Which one of the following compounds is consistent with the following IR spectrum? mmmm - SDBS: National Institute of Advanced Industrial Sence and Technology นคร...
1 answer
For the standard normal distribution shown on the right, find the probability of z occurring in...
For the standard normal distribution shown on the right, find the probability of z occurring in the indicated region. Click here to view page 1 of the standard normal table Click here to view page 2 of the standard normal table. The probability is (Round to four decimal places as needed.) Enter your...
1 answer
Problem 3: Determine the force on all the members of the truss structure and state if...
Problem 3: Determine the force on all the members of the truss structure and state if they are in tension or compression. Why is it important to identify the bars that are in compression? No zero fare renhers. 4 kN 3 m - - 5 m 5 kN...
1 answer
A balanced scorecard is a: Question 18 options: Chart showing all of the costs compared to...
A balanced scorecard is a: Question 18 options: Chart showing all of the costs compared to budgeted amounts per unit. Listing of all indicators of past performance. Causal model of lead and lag indicators of performance that link to a company’s strategy. Report outlining th...
1 answer
III. OBSERVATIONAL EXPERIMENT: WHAT AFFECTS THE DIRECTION OF THE INDUCED CURRENT? The goal of this experiment...
III. OBSERVATIONAL EXPERIMENT: WHAT AFFECTS THE DIRECTION OF THE INDUCED CURRENT? The goal of this experiment is to decide what factors affect the direction of the induced current. Available equipment: computer with internet connection. a) The six experiments shown in the table below are like experi...
1 answer
1- Consider a monopolistic market where the government has decided to implement lump-sum tax. Which of...
1- Consider a monopolistic market where the government has decided to implement lump-sum tax. Which of the following are true? Select all that apply. The monopolist loses profit. The government gains revenue. The monopolist is forced to reduce their prices. The monopolist is forced to sell less prod...
1 answer
List the 5 steps of the McConnell Model List and describe the 4 levels of nurses...
List the 5 steps of the McConnell Model List and describe the 4 levels of nurses found in medical settings. List the types of roles nurses carry out in a physiciar group practice...
1 answer
Annie has a bakery that specializes in birthday cakes. Her fixed costs are $10. Her variable...
Annie has a bakery that specializes in birthday cakes. Her fixed costs are $10. Her variable costs are shown in the table below. Table: Costs of Birthday Cakes Quantity of cakes Variable Cost 50 What is the average total cost of 2 cakes? $2,50 OOO $17.50 $12.50 > Moving to the next question preve...
1 answer
Provide an appropriate alkyne starting material A and intermediate product B. Omit byproducts. The number of...
Provide an appropriate alkyne starting material A and intermediate product B. Omit byproducts. The number of carbon atoms in the starting material should be the same as in the final product....
1 answer
When​ used, raw materials A. would be classified as direct materials. B. would be classified as...
When​ used, raw materials A. would be classified as direct materials. B. would be classified as direct labor. C. would be classified as indirect materials. D. cannot be determined with the information provided....
1 answer
A violinist tuning a string on her instrument to a tuning fork of 440 Hz detects...
A violinist tuning a string on her instrument to a tuning fork of 440 Hz detects 4 beats per second. When she loosens the string (which de- creases the frequency of the sound produced by the string), the number of beats per second initially goes down, but as she continues to loosen the string, the n...
1 answer
On the day you entered college, you borrowed $30,000 from your local bank. The termsof the...
On the day you entered college, you borrowed $30,000 from your local bank. The termsof the loan include an interest rate of 4.75 percent. The terms stipulate that the principalis due in full one year after you graduate. Interest is to be paid annually at the end ofeach year. Assume that you complete...
1 answer
A person who looks at a sequence of 14, 12, 10, 8 and decides that the next two terms are 6 and 4 is doing deductive thinking
A person who looks at a sequence of 14, 12, 10, 8 and decides that the next two terms are 6 and 4 is doing deductive thinking.TrueFalse...
1 answer
5 Mailings Review View Help Design Layout Search Experimental design and procedures: 1. Use the picture...
5 Mailings Review View Help Design Layout Search Experimental design and procedures: 1. Use the picture provided to count the number of yellow and purple corn kernels. You should count ALL of the kernels visible in the picture. Each kernel is a seed-seeds are baby plants. Therefore, each kernel repr...
1 answer
46 AM Tue 23 Jun T3-EOY-CHM61 + 12 - 15 35:3 Consider the following spontaneous reaction...
46 AM Tue 23 Jun T3-EOY-CHM61 + 12 - 15 35:3 Consider the following spontaneous reaction that describes a galvanic cell and the information below: Zn (s) + Fe2+ (aq) Zn2+ (aq) + Fe (s) Zn2+(aq) + 2 e- → Zn(s) E° = -0.76 V Fe2+ * (aq) + 2 e- → Fe(s) E° = +0.44 V The Ecell V. O a. +1...