q16 please. having trouble with homeworkHomework Answers
Ans= Residual
Residual is the difference between observed and estimated value.
e = y- y^
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q16 please. having trouble with homework
Dashboard 0.729 Question 16 1 pts The difference between the...
having trouble with home work please help Dashboard Question 10 1 pts I want to see...
having trouble with home work please help
Dashboard Question 10 1 pts I want to see if there is a correlation between number of absences and a students final grade. Data from a previous semester are shown below. Absences 1 8 33 15 7 4 2 Final Grade 93 81 39 61 78 87 83 At a = 0.01 isr significant? No Yes Question 11 1 pts For problem 10, the degrees of freedom are
Question 16 2 pts As people age they begin experience hearing loss. A study was done...
Question 16 2 pts As people age they begin experience hearing loss. A study was done on a random sample of 8 subjects to determine "comfort level of sound and age in people. The data are given here: Age, x(years) 15 25 35 45 55 65 75 85 Sound level y (decibels) 56 57 a a 68 74 78 85 xy = 29010, n= 7 x = 400, z = 24200, Ey=546, y = 37986, 550=4200 SSxy=1710, SSyy=721.5 SSE=25.2857 Se=2.052872...
Question 1 1 pts The correlation between score and first year GPA is 0.529. What is...
Question 1 1 pts The correlation between score and first year GPA is 0.529. What is the critical value for the testing if the correlation is significant at a =.05? Question 2 1 pts To determine if the correlation is significant, what rule is used? correlation is significant if r<.05 correlation is significant if |r| < critical value O correlation is significant if r>.05 correlation is significant if |r| > critical value Information for questions 1-6: A graduate program wants...
please answer all questions : 6-8 Question 6 1 pts A researcher examines the relationship between...
please answer all questions : 6-8
Question 6 1 pts A researcher examines the relationship between an individual's adjustment to becoming a parent and his/her age, while removing the influence of financial status. What procedure would allow such an analysis? o mixed correlation o split-half reliability o spurious correlation o partial correlation MULTIPLE CHOICE - 2 POINTS EACH Question 7 2 pts A researcher is interested in whether there are significant differences between men and women and religious preferences. In...
this is the correct question, please answer completely. Question 1 (27 pts.) A health economist uses...
this is the correct question, please answer completely.
Question 1 (27 pts.) A health economist uses data on enrollment in a health insurance plan Di and doctor visits Yto estimate the population regression function (PRF)YB+B2Di+ u by using the following sample: (Groupo) D 3.8 The benchmark group is not enrolled in a health insurance plan. f) (2 pts.) Suppose that the true values of the population parameters are β1-3 and β2 the data point (X,D2).calculate the deterministic component E (Y2lD2),...
please answer all question (2-5) thanks Question 2 1 pts As the number of hours a...
please answer all question (2-5) thanks
Question 2 1 pts As the number of hours a student studies increases, the number of errors made on the exam decreases. There is a strong relationship between these variables. Select the value for the pearson correlation (r) that would be appropriate 0-0.7 0-0.4 o 0.6 o 1.0 Question 3 1 pts The following APA summary was reported for a one-sample t-test (two-tailed, alpha = .05). t(15) = 3.3, p = .003 Which of...
Question 1 1 pts The equation of the regression line between two variables x (independent variable)...
Question 1 1 pts The equation of the regression line between two variables x (independent variable) and y (dependent variable) is given by ý = -3x -- 2; and the correlation coefficient iss =-.95. The possible x- values range from 1 to 10. Based on the given r, which of the following conclusions may be made? X and Y are very weakly correlated. and y are moderately correlated, and y tends to increase as x is increased. X and y...
Quiz: Quiz CH 10811 Submit Quiz This Question: 1 pt 9 of 15 (1 complete) This...
Quiz: Quiz CH 10811 Submit Quiz This Question: 1 pt 9 of 15 (1 complete) This Quiz: 15 pts possibl The data show systolic and diastolic blood pressure of certain people. Find the regression equation, letting the systolic reading be the independent (x) variable. Find the best predicted diastolic pressure for a person with a systolic reading of 113. Is the predicted value close to 72.7, which was the actual diastolic reading? Use a significance level of 0.05. Systolic Diastolic...
Question 13 2.5 pts For Questions 13 - 22, consider the following scenario: An analyst for...
Question 13 2.5 pts For Questions 13 - 22, consider the following scenario: An analyst for an e-commerce website would like to use a regression model to predict the total amount that customers spend per order. The analyst theorizes that income may help explain order total. An a = 0.05 significance level will be used for this analysis. The analyst randomly samples customers. Total Order Amount was measured in dollars, Income in thousands, The data was used to estimate a...
Question 5 1 pts Is there a difference between the average amount of time that the...
Question 5 1 pts Is there a difference between the average amount of time that the rich and the poor spend in the shower? The results of a survey asking poor and rich people how many minutes they spend in the shower are shown below. 13| Poor Rich 13 8 18 11 7 10 15 9 11 13 8 7 17 12 14 10 23 13 19 18 24 10 18 9 Assume that both populations follow a normal distribution....
having trouble with home work please help
Dashboard Question 10 1 pts I want to see if there is a correlation between number of absences and a students final grade. Data from a previous semester are shown below. Absences 1 8 33 15 7 4 2 Final Grade 93 81 39 61 78 87 83 At a = 0.01 isr significant? No Yes Question 11 1 pts For problem 10, the degrees of freedom are
Question 16 2 pts As people age they begin experience hearing loss. A study was done on a random sample of 8 subjects to determine "comfort level of sound and age in people. The data are given here: Age, x(years) 15 25 35 45 55 65 75 85 Sound level y (decibels) 56 57 a a 68 74 78 85 xy = 29010, n= 7 x = 400, z = 24200, Ey=546, y = 37986, 550=4200 SSxy=1710, SSyy=721.5 SSE=25.2857 Se=2.052872...
Question 1 1 pts The correlation between score and first year GPA is 0.529. What is the critical value for the testing if the correlation is significant at a =.05? Question 2 1 pts To determine if the correlation is significant, what rule is used? correlation is significant if r<.05 correlation is significant if |r| < critical value O correlation is significant if r>.05 correlation is significant if |r| > critical value Information for questions 1-6: A graduate program wants...
please answer all questions : 6-8
Question 6 1 pts A researcher examines the relationship between an individual's adjustment to becoming a parent and his/her age, while removing the influence of financial status. What procedure would allow such an analysis? o mixed correlation o split-half reliability o spurious correlation o partial correlation MULTIPLE CHOICE - 2 POINTS EACH Question 7 2 pts A researcher is interested in whether there are significant differences between men and women and religious preferences. In...
this is the correct question, please answer completely.
Question 1 (27 pts.) A health economist uses data on enrollment in a health insurance plan Di and doctor visits Yto estimate the population regression function (PRF)YB+B2Di+ u by using the following sample: (Groupo) D 3.8 The benchmark group is not enrolled in a health insurance plan. f) (2 pts.) Suppose that the true values of the population parameters are β1-3 and β2 the data point (X,D2).calculate the deterministic component E (Y2lD2),...
please answer all question (2-5) thanks
Question 2 1 pts As the number of hours a student studies increases, the number of errors made on the exam decreases. There is a strong relationship between these variables. Select the value for the pearson correlation (r) that would be appropriate 0-0.7 0-0.4 o 0.6 o 1.0 Question 3 1 pts The following APA summary was reported for a one-sample t-test (two-tailed, alpha = .05). t(15) = 3.3, p = .003 Which of...
Question 1 1 pts The equation of the regression line between two variables x (independent variable) and y (dependent variable) is given by ý = -3x -- 2; and the correlation coefficient iss =-.95. The possible x- values range from 1 to 10. Based on the given r, which of the following conclusions may be made? X and Y are very weakly correlated. and y are moderately correlated, and y tends to increase as x is increased. X and y...
Quiz: Quiz CH 10811 Submit Quiz This Question: 1 pt 9 of 15 (1 complete) This Quiz: 15 pts possibl The data show systolic and diastolic blood pressure of certain people. Find the regression equation, letting the systolic reading be the independent (x) variable. Find the best predicted diastolic pressure for a person with a systolic reading of 113. Is the predicted value close to 72.7, which was the actual diastolic reading? Use a significance level of 0.05. Systolic Diastolic...
Question 13 2.5 pts For Questions 13 - 22, consider the following scenario: An analyst for an e-commerce website would like to use a regression model to predict the total amount that customers spend per order. The analyst theorizes that income may help explain order total. An a = 0.05 significance level will be used for this analysis. The analyst randomly samples customers. Total Order Amount was measured in dollars, Income in thousands, The data was used to estimate a...
Question 5 1 pts Is there a difference between the average amount of time that the rich and the poor spend in the shower? The results of a survey asking poor and rich people how many minutes they spend in the shower are shown below. 13| Poor Rich 13 8 18 11 7 10 15 9 11 13 8 7 17 12 14 10 23 13 19 18 24 10 18 9 Assume that both populations follow a normal distribution....
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