stat 16
a. 71.13
b. 74.77
c. 57.80
d. 382.23
Homework Answers
for x = 6.8, y = 55.8 +(2.79*6.8) = 74.77
hence the correct answeris b. 74.77
Question 11 (8 points) Find the best predicted value of y corresponding to the given value...
Question 11 (8 points) Find the best predicted value of y corresponding to the given value of x. A Eight pairs of data yield r=0.708 and the regression equation y = 55.8 + 2.79%. Also, y = 71.125. What is the best predicted value of y for x = 9.1? 1) 510.57 2) 57.80 3) 71.13 4) 81.19
Elaine gets quiz grades of 67, 64, and 87. She gets a 84 on her final...
Elaine gets quiz grades of 67, 64, and 87. She gets a 84 on her final exam. Find the weighted mean if the quizzes each count for 15% and the final exam counts for 55% of the final grade. 1) 72.1 2) 75.5 3) 78.9 4) 78.3 Find the best predicted value of y corresponding to the given value of x. Eight pairs of data yield r -0.708 and the regression equation 3 - 55.8 + 2.79%. Also, 5 -...
Use the given data to find the best predicted value of the response variable. Eight pairs...
Use the given data to find the best predicted value of the response variable. Eight pairs of data yield r = 0.708 and the regression equation y = 55.8 + 2.79x. Also y = 71.125. What is the best predicted value of y for x = 5.7?
regression
Four pairs of data yield r=0.942 and the regression equation y=3x.Also, . What is the best predicted value ofyfor x=3.7
Use the regression equation to predict the y-value corresponding to the given x value. Round your...
Use the regression equation to predict the y-value corresponding to the given x value. Round your answer to the nearest tenth Eight pairs of data yield the regression equation y 55.8+279x. Predict yfor x8 O A 71.1 OB, 78.1 ??. 57.8 O D. 449.2 Click to select your answer
Six pairs of data yield r = 0.444 and the regression equation y hat = 5x...
Six pairs of data yield r = 0.444 and the regression equation y hat = 5x + 2. Also, y bar = 18.3. What is the best predicted value of y for x = 5?
The answer key says 12.75, but Im not sure why? I believe it is y =...
The answer key says 12.75, but Im not sure why? I believe it
is y = 3(4.3) which is 12.9. Unless the key is wrong? Thank
you.
29) Use the given data to find the best predicted value of the response variable. 29) Four pairs of data yield r = 0.942 and the regression equation y = 3x. Also, y = 12.75. What is the best predicted value of y for x = 4.3?
Question 7 Solve the problem. Consider the data set shown below. Find the estimate of the...
Question 7 Solve the problem. Consider the data set shown below. Find the estimate of the y-intercept of the v 03 23 8 10 11 x -2 0 2 4 6 8 10 1.5 0.94643 0 1.49045 0.9003 n below. Find the estimate of the y-intercept of the least squares regression line 10 11 8 10 tion will save this response. Provide an appropriate response. In an area of the Midwest records were kept on the relationship between the rain...
please provide a detailed answer, thank you! Assume that the given x-value comes from within the...
please provide a detailed answer, thank you!
Assume that the given x-value comes from within the range of sample data. (In other words, there will be no extrapolation.) Round your answers to 3 places after the decimal point, if necessary. (a) Suppose a sample of 16 pairs of sample data result in a test statistic of r = 0.724 and the regression equation 0 = 2.4 - 8.9. Additionally, y = 43.1 for this data. What is the best predicted...
Question 11 (8 points) Find the best predicted value of y corresponding to the given value of x. A Eight pairs of data yield r=0.708 and the regression equation y = 55.8 + 2.79%. Also, y = 71.125. What is the best predicted value of y for x = 9.1? 1) 510.57 2) 57.80 3) 71.13 4) 81.19
Elaine gets quiz grades of 67, 64, and 87. She gets a 84 on her final exam. Find the weighted mean if the quizzes each count for 15% and the final exam counts for 55% of the final grade. 1) 72.1 2) 75.5 3) 78.9 4) 78.3 Find the best predicted value of y corresponding to the given value of x. Eight pairs of data yield r -0.708 and the regression equation 3 - 55.8 + 2.79%. Also, 5 -...
Use the regression equation to predict the y-value corresponding to the given x value. Round your answer to the nearest tenth Eight pairs of data yield the regression equation y 55.8+279x. Predict yfor x8 O A 71.1 OB, 78.1 ??. 57.8 O D. 449.2 Click to select your answer
The answer key says 12.75, but Im not sure why? I believe it
is y = 3(4.3) which is 12.9. Unless the key is wrong? Thank
you.
29) Use the given data to find the best predicted value of the response variable. 29) Four pairs of data yield r = 0.942 and the regression equation y = 3x. Also, y = 12.75. What is the best predicted value of y for x = 4.3?
Question 7 Solve the problem. Consider the data set shown below. Find the estimate of the y-intercept of the v 03 23 8 10 11 x -2 0 2 4 6 8 10 1.5 0.94643 0 1.49045 0.9003 n below. Find the estimate of the y-intercept of the least squares regression line 10 11 8 10 tion will save this response. Provide an appropriate response. In an area of the Midwest records were kept on the relationship between the rain...
please provide a detailed answer, thank you!
Assume that the given x-value comes from within the range of sample data. (In other words, there will be no extrapolation.) Round your answers to 3 places after the decimal point, if necessary. (a) Suppose a sample of 16 pairs of sample data result in a test statistic of r = 0.724 and the regression equation 0 = 2.4 - 8.9. Additionally, y = 43.1 for this data. What is the best predicted...
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