Calculate the regression equation and obtain a 95% confidence interval for b0 and b1.
20 | 2.5 |
30 | 3.0 |
25 | 2.5 |
40 | 3.5 |
35 | 4.0 |
50 | 4.5 |
70 | 5.0 |
60 | 4.5 |
65 | 4.0 |
55 | 3.5 |
0 | 3.8 |
11 | 2.9 |
18 | 2.6 |
a)Calculate the regression equation and obtain a 95% confidence interval for b0 and b1.
Calculate the regression equation and obtain a 95% confidence interval for b0 and b1. 20 2.5...
8. Find a 95% confidence interval for the mean using sample 4.9, 4.1, 3.8, 4.0, 3.5, 5.0, 4.2 and assuming normal distribution.
The accompanying scatto plot shows the regression line, 95% confidence interval, and 95% prediction interval for youth unemployment data for a sa The response variable is the Female Rate and the predictor variable is the Male Rate. a) Explain the meaning of the 95% prediction interval in this context. b) Explain the meaning of the 95% confidence interval in this context. c) Using a statistics program, identify any unusual observations, and discuss their potential impact on the regression. Click the...
Given the data listed in the table, calculate the lower and upper bound for the 95% confidence interval for the mean at X = 6. The regression equation is given by y^ = b0 + b1x. Regression Statistics Statistic Value b0 8.2 b1 0.64 x 4.82 se 1.280 SSX 26.23 SST 45.52 n 40 Give your answers to 2 decimal places. You may find this Student's t distribution table useful. a) Lower bound = b)Upper bound =
mた 731 100 417 561 60 65 70 75 40 45 50 Problem 2.9 Spectrum G 95 90 wavenumber (ara) Problem 3.4 G 2.7 2.6 2.5 2.4 2.3 22 2.1 2.0 19 18 1.7 1.6 15 14 1.3 12 11 1.0 09 08 ppm 95 90 85 80 75 70 65 60 55 50 45 40 35 30 25 20 15 10 ppm
Use the spectra below to determine the molecular formula and
chemical structure of the unknown compound.
MASS 142 % of Base Peak 1147 40 50 70 80 5 100 % Transmittance Jari- 3000 1000 4000 'H NMR 300 MERE 2000 Wavenumber (cm) 3.0 25 20 15 Ppm 4.0 3.5 C/DEPT NMR 75.5 MHz ppm 60 50 40 80 70 90 100 110 120 170 160 150 140 130 ppm 4.5 4.0 3.5 3.0 2.5 2.0 1.5 ppm COSY 300 MHz...
3. (40 points) Use the graph, an output of the least squares prediction equation for the starting salary data (in thousands of dollars) given a graduated student's cumulative GPA, and the table of sampled data below to do the following Student ID GPA(x) 3.26 Starting Salary (y) 33.8 2.60 29.8 3.35 33.5 2.86 30.4 3.82 36.4 2.21 27.6 3.47 35.3 Regression Plot Y= 14.8156 + 5.70657x R-Sq 0.977 寸 853 4.0 2.0 2.5 3.0 3.5 GPA (a) Identify and interpret...
What is the structure of this compound?
MASS SPECTRUM 100 Relative Intensities m/z 103-100% m/z 197-190 m/z 198-less than 1% 80 60 40 20 197 0.0t l.1 0.0 40 80 120 160 200 m/z H NMR spectrum, CDCls, 600 MHz 3.75 3.703 3.60 34 3.3 Chemical Shft (ppm) 3.65 3.55 Chemical Shft (ppm) 70 4.65 4.60 Chemical Shift (ppm) 1.26 1.24 122 120 1.18 1.16 Chemical Shift (ppm) 4.8 4.6 4.4.2 4.0 3.8 3.6 34 3.2 3.0 2.826 24 22...
Use the paired t-interval procedure to obtain the required confidence interval. You may assume that the conditions for using the procedure are satisfied. Ten different families are selected at random. The amount of water each family uses per day before and after viewinga conservation video is recorded. The amounts (in gallons) are shown below. Before 33 33 38 33 35 35 40 40 40 31 After 34 28 25 2835 33 31 28 35 33 Determine a 90% confidence interval...
The accompanying data in the table below were derived from life tests for two different brands of cutting tools. Complete parts a through c. Click the icon to view the data table of cutting speed and useful life. Cutting Speed (meters per minute) Useful Life Brand A (Hours) Useful Life Brand B (Hours) 30 5.5 6.3 30 4.2 6.3 30 5.4 4.6 40 5.2 6.5 40 4.5 4.6 40 2.5 5.0 50 4.4 4.5 50 2.8 4.0 50 1.0 3.7...
Invoices Time 103 1.5 173 2.0 149 2.1 193 2.5 169 2.5 29 0.5 188 2.3 19 0.3 201 2.7 58 1.0 110 1.5 83 1.2 60 0.8 25 0.4 60 1.8 190 2.9 233 3.4 289 4.1 45 1.2 70 1.8 241 3.8 163 2.8 120 2.5 201 3.3 135 2.0 80 1.7 77 1.7 222 3.1 181 2.8 30 1.0 61 1.9 120 2.6 You are an accountant for a large department store and have been given the...