Question: For randomly selected students, the hours a week they studied and thier grades (0=E,1=D, 2=c, 3=B, 4=A) are given below. hours, x grade y 3

For randomly selected students, the hours a week they studied and thier grades (0=E,1=D, 2=c, 3=B, 4=A) are given below.

hours, x grade y

3 0

9 2

11 3

15 4

Find the correlation coefficient

At the 0.05 level of significance, test the level of significance of the correlation coefficient r.

Determine the regression line equation

For a person who studies 10 hours a week, what is the best predicted estimate of his/her grade?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer
Step: 1 Unlock blur-text-image
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 Mathematics Questions!

Q:

Assignment 4A. Theory Component Show your work for this component. Where relevant, keep all your middle work as well as your final answer to a minimum of four decimals, unless otherwise stated. For...

Q:

1. A player throws a fair die and simultaneously flips a fair coin. If the coin lands heads, then she wins twice, and if tails, then one-half of the value that appears on the die. Determine her...

Q:

Unit Information PEN593 Energy Economics Teaching Period: S2 2022 This guide should be used in conjunction with the Handbook as the official source of information about this unit. Refer to myMurdoch...

Q:

Question 1. Which of the following statements is correct? We use parameters to estimate the value of statistics. Parameters describe sample characteristics. We use statistics to estimate the value of...

Q:

Question 1 1 Point Which of the following would be considered dependent samples? Finding the pulse rates of adults by looking at two groups. The first group is 125 women, and the second group is 150...

Q:

What I know A. Read and understand the statements below and identify the term described. write your answer on the space provided before the number. 1. it is a claim in a research that states no...

Q:

PART 2 Review of all 3 t-tests. Enter the data and run the correct test using SPSS. Write a conclusion for each. 2A. The average satisfaction score for graduating seniors has been 15 for several...

Q:

Answer the following questions about an organization, based on the Sample Form 990 below. A. Provide: Total revenue Total expenditures End-of-year cash balance Public support percentage Fundraising...

Q:

KINGS OWN INSTITUTE* Success in Higher Education ICT106 DATA COMMUNICATIONS AND NETWORKS T223 Page 1 of 18 AUSTRALIAN INSTITUTE OF BUSINESS AND MANAGEMENT PTY LTD ABN: 72 132 629 979 CRICOS 03171A...

Q:

1. Fill in the Table below characterizing the following data sets (a)Vehicle miles per gallon (mpg):15.6, 21.78, 30.0, 53.1, 11.5 (b) Coins in a piggy bank: 47 pennies, 30 nickels, 25 dimes, 15...

Q:

Discuss why the domestic and international financial markets in Malaysia are imperfect. And explain how multinational companies can get around these imperfections or use them as an advantage in...

Q:

Many drugs have an impact on the body's major systems. Consider the case of professional athletes who use performance-enhancing drugs (PEDs) to improve their athletic abilities and, therefore,...

Q:

E12.14 (LO 2) (Premium Entries) No Doubt Company includes 1 coupon in each box of soap powder that it packs, and 10 coupons are redeemable for a premium (a kitchen utensil). In 2025, No Doubt Company...

Q:

Julian Birkinshaw, James Manktelow, Vittorio DAmato, Elena Tosca, and Francesca Macchi In recent years, one of the most profound transformations in the workplace has been the increase in age...