6. A group of 11 students was selected at random and asked for their high school GPA and theirfreshmen GPA in college the subsequent year. We would like to know whether there is a linearrelationship between the high school GPA and the freshmen GPA, and we would like to be able topredict the freshmen GPA, if we know that the high school GPA of another student is, say, 3.4.StudentHigh School GPAFreshmen GPA12.01.622.22.02.61.842.72.82.82.13.12.02.92.683.22.293.32.6103.63.0

There is a linear relationship between the high school GPA and freshmen GPA and we would like to be…

Answered: 6. A group of 11 students was selected…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Choose the correct answer below. O A. The explanatory variable is the dependent variable. O B. The explanatory variable explains or predicts changes in the response variable. O C. The explanatory variable causes changes in the response variable. O D. All of the above.
Statistics Question
1. 2. 0.6 0.8 1.0 3. 0.2 0.4 0.0 (2) = -0.86 1. (2) = 0.13 2. To see the relationship between the dexp, pexp, qexp, and rexp, please fill in the blanks. The options for each blank are dexp, pexp, qexp, rexp. Hint: Use R to confirm you get the intended answer. Note: Values in the right hand side of the equation in questions 1, 2, and 3 are round off values (0.86) 2 (2) = 0.86 0 2 4 6 8 10 12 3. (2) = 0.13 X (0.86) = 2
The correlation between midterm and final grades for 300 students is 0.620. If 5 points are added to each midterm grade, the new r will be: a. 0.124 b. 0.57 c. 0.62 d. 0.744
Five students taking a Business Statistics module at MANCOSA were asked to provide an example of a variable they have encountered in their day-to-day life. Their responses are as follows: Student Lungani Nsika Thembekile Mduduzi Variable The body temperature of a patient diagnosed with COVID-19 The price of a technology company stock on the NASDAQ The age of his bull mastiff The number of female students in Mduduzi's Python class Which student's provided a continuous true zero variable? A. Lungani B. Lungani and Nsika C. Nsika D. Thembekile and Mduduzi
The following statement contains an error. Choose the statement that best explains the error. "The correlation between shoe size and height is 0.87 inches" A. Correlation requires that both of the variables be categorical B. When stating the correlation coefficient, one must state whether it is a positive or negative relationship C. This statement does not tell us whether or not shoe size is correlated with height D. When reporting correlation, one does not report units because correlation has no units E. There is no error in this statement
a. Which measure of association would be most appropriate for these variables? b. What is the value of the measure of association? c. What is the strength of the association? d. Would be appropriate to interpret a direction for the association? If so, which direction is the association between the two variables?
A2. A study of test results at different schools shows that as the student-to-teacher ratio increases the average test result tends to decrease, although the relationship is quite weak. Which of the following is plausible value for the correlation between student-to- teacher ratio and average test results? A -0.9 B -0.3 C -0.01 D 0.3 E 0.9
In correlation analysis, the relationship between age of persons and his or her blood pressure is called as a. Simple Correlation b. Multiple Correlation c. No Correlation d. None of these
Suppose in a given problem about the correlation between height and weight of 20 college students, we come up with an r value of 0.93. What is the value of the coefficient of determination? a. 0.84b. 0.85c. 0.86d. 0.87
Suppose there are 5 students in a room. The mean age is 19.8 years, and the median age is 19. If the youngest person leaves and is not replaced by another person, what happens to the mean and the median? O The mean and median increase. The mean increases, and the median either increases or stays the same. The mean increases, but it is impossible to determine whether the median increases, decreases, or stays the same. The mean increases, and the median stays the same. The median increases, and the mean either increases or stays the same.
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