Question: Table 2 shows the marks scored by ten students, selected at random, in two short quizzes; one in Statistics and one in Science. The

Table 2 shows the marks scored by ten students, selected at random, in two short quizzes; one in Statistics and one in Science. The maximum score in each case is 30. Student Score on Statistics Quiz Score on Science Quiz a. 1 2 3 4 6 7 Table 2: Student Scores in Statistics and Science 9 10 20 23 8 29 14 12 11 20 17 18 20 25 11 24 23 16 12 21 22 26 i. Compute the Pearson's product moment correlation coefficient be- tween the two sets of quiz scores and comment on its value. (6 marks) ii. Using the above information, test the hypothesis that there is no correlation between the degree of knowledge of Statistics and Science. (4 marks) b. i. Compute the Spearman rank correlation coefficient. (6 marks) ii. Test the hypothesis that the true rank correlation coefficient is zero against a two-sided alternative. (4 marks)

Step by Step Solution

★★★★★

3.51 Rating (161 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a i To compute the Pearsons product moment correlation coefficient between the two sets of quiz scores we can use the following formula r nXY XY sqrtn... 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

Students Have Also Explored These Related Accounting Questions!

A food expert claims that there is no difference between the taste of two leading soft drinks. In a taste test involving 200 persons, however, 55% of the subjects say they like soft drink A better...

Test the hypothesis that there is an overall mean difference in bronchial reactivity among the three lung-function groups? Pulmonary Disease Twenty-two young asthmatic volunteers were studied to...

Table 2 shows the rates for natural gas charged by the Middle Tennessee Natural Gas Utility District during winter months. The customer charge is a fixed monthly charge, independent of the amount of...

a. Suppose that you decide to use a two-sided alternative hypothesis. What additional values for the parameter will now be part of the alternative? b. Conjecture how, if at all, the p-value for the...

1. Based on ZYSCOs BSC and strategy map, create a BSC for either the finance or sales departments. 2. What problems might arise with ZYSCO seeking to link its compensation system with its new system...

To test the effect of a physical-fitness course on ones physical ability, the number of sit-ups that a person could do in 1 minute, both before and after the course, was recorded. Ten randomly...

A tank holds 1000 gallons of water, which drains from the bottom of the tank in half an hour. The values in the table show the volume V of water remaining in the tank (in gallons) after t minutes....

A group of mountain climbers participated in a trial to investigate the usefulness of the drug acetazolamide in preventing altitude sickness. The climbers were randomly assigned to receive either...

Selected comparative financial statement information of Bluegrass Corporation follows. Required 1. Compute each year's current ratio. (Round ratio amounts to one decimal.) 2. Express the income...

a. Diagram 1 below shows a plant cell dividing by mitosis. Only two of the many chromosomes are shown for simplicity. i. What stage of mitosis is shown? ii. Draw prophase for the same cell assuming...

Explain how audit sampling can be used to test the payroll and personnel cycle.

Based on what you have read related to sustainability reporting, what do you believe are the possible advantages and disadvantages associated with issuing a sustainability report to external...

1 stores big must make the store managers aware of the changes. The stores would be instrumental in collecting leedback from their customers to determine the success of the new products. Ana Paula...

You are a project manager that has been hired by company ABC to lead and manage a continuous improvement project in the customer service area of the business. The level of complaints from customers...

A 250 itre tank used for liquid storage is configured as in figure below. Its mathematical model and its dynamic behaviour follow first order kinetics are as follows: General 1" order system: dy +y=...

Develop a strategy to encourage team members to participate in decision making processes, assume responsibilities and take initiative for resolving the issues outlined in the scenario. In your...

Q4. A steel cantilever beam is of circular cross-section is subjected to a transverse load at its free end which varies from 45 N up to 135 N down. The strength properties are as follows: Ultimate...

Why do the democracy of Ghana continues to permit local towns / region to have tribal cheifs or kings? Do you think it will continue in the future ?

What is the outcome of effective procurement decisions? Group of answer choices Successful project outcomes Increased supplier profits Reduced buyer involvement Minimal risk for the buyer

Table 2 shows the endowment of labour and capital in Philippines and United States. Use the information in the Table 2 to answer the following questions below Table 2 Capital Endowment Labour...

Question 6 Points F/'// in the blanks: Find the variance and standard deviation of the following data set from a sample: 106, 121, 152, 234, and 347. Sample variance = Sample standard deviation =...

1- Can you explain me about how using of these 4 tables? ILLUSTRATION A.4 Time diagram Another method used to compute the future value of a single amount involves a compound interest table. This...

TABLE 1: Manning n for various channel types Channel description n Clean, straight, no rapids or pools 0.035 Clean, winding, some pools and shoals 0.042 Sluggish reaches, weedy, deep pools 0.084 Very...

QUESTION 8 (Not a repeat question ) Guess Klein produces designer clothing such as Tishirts and jeans from fabric purchased from several nearby factories The company's factory has two departments,...

Can anyone answer this question using 4 tables ?? Problem Integrative Case This case draws on material from Chapters 18-20. See MyFinanceLab for the data in Tables 1, 2, 3, and 4 and the spreadsheet...