For Exercise, use the given data to find a variation model relating y to x. HORHAL FLORT RUTO bl DEGREE CL PRESS FOR aTb1 24 Y1 15 25 35 72 168 216 264 312 360 120 45 55 65 75 85 95 56 105 x=5
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- You obtained the following raw data when setting up a Biuret standard curve: BSA (mg/ml) Absorbancy 540nm 0 0.158 1 0.210 2 0.260 3 0.305 4 0.360 5 0.410 6 0.455 7 0.510 8 0.530 9 0.550 10 0.554 What would the quality of the line-fit (R2 value) be if you do not exclude experimental outliers? (Give you answer to 4 decimal places)"given a simple regression with slope b=3, s (sub y)=8, and s (sub x)= 2, and n=30. Find the standard error of the estimate."The results of an independent-measures research study are reported as “t(22) = 2.12, p < .05, two tails.” For this study, what t values formed the boundaries for the critical region? a. ±2.080 c. ±2.069 b. ±2.074 d. ±2.064
- The results of an independent-measures research study are reported as "t(20) = 2.12, p < .05, two tails." For this study, what t values formed the boundaries for the critical region?Refer to Exercise 16. Assume that T0 = 73.1 ± 0.1°F, Ta = 37.5 ± 0.2°F, k = 0.032 min−1 with negligible uncertainty, and T = 50°F exactly. Estimate t, and find the relative uncertainty in the estimate.calculate the average over the given interval. f (s) = s −2, [2, 5]
- The table below list weights (carats) and prices (dollars) of randomly selected diamonds Weight 0.3 0.4 0.5 0.5 1.0 0.7 Price 510 1151 1343 1410 5669 2277 Find r Test with a .05 level of significance H0 : ρ = 0 and H1: : ρ ≠ 0 Find m and b for simple regressionHere is a bivariate data set.xy182425915011737106295223812246 Find the correlation coefficient and report it accurate to four decimal places. r =The data below shows the maximum temperature (oC) and the number of bowls of soup sold at God’s Grace Canteen on eleven randomly selected days last year. Day 1 2 3 4 5 6 7 8 9 10 11 Temp. (oC) 32 36 22 29 25 18 11 16 8 5 2 Bowls Sold 2 2 10 10 20 35 45 50 50 57 63 On graph paper, draw a scatter plotoftemperature against bowls soldto represent the data using a scale of 1 cm to represent 5 bowls and 2cm to represent 5oC. Writedown the type of relationship between the variables. Calculatethe mean number of bowls of soup, , sold. Findthe mean maximum temperature, of soup recorded. Plot and label the point M(, ) on your graph. Theline of best fit for the data passes through the point M and the y-intercept (0, 33.2). Draw this line on your graph. Find the equation of the line of best fit. On another day of the year, the temperature was 20o Using the equationof the line of best fit,estimate the…
- Refer to Exercise 7. Assume that p = 4.3 ± 0.1 cm and q = 2.1 ± 0.2 cm. Estimate f, and find the relative uncertainty in the estimate.The following data represent the muzzle velocity (in feet per second) of rounds fired from a 155-mm gun. For each round, two measurements of the velocity were recorded using two different measuring devices, resulting in the following data. Complete parts (a) through (d) below. Observation 1 2 3 4 5 6 A 790.2 793.3 791.6 793.9 794.7 793.1 B 794.8 789.0 796.2 793.5 802.9 791.3 (a) Why are these matched-pairs data? A. All the measurements came from rounds fired from the same gun. B. Two measurements (A and B) are taken on the same round. C. The measurements (A and B) are taken by the same instrument. D. The same round was fired in every trial. (b) Is there a difference in the measurement of the muzzle velocity between device A and device B at the α=0.01level of significance? Note: A normal probability plot and boxplot of the data indicate that the differences are…The following data pertain to x, the amount of fertil-izer (in pounds) that a farmer applies to his soil, and y, his yield of wheat (in bushels per acre): xy xy xy112 33 88 24 37 2792 28 44 17 23 972 38 132 36 77 3266 17 23 14 142 38112 35 57 25 37 1388 31 111 40 127 2342 8 69 29 88 31126 37 19 12 48 3772 32 103 27 61 2552 20 141 40 71 1428 17 77 26 113 26 Assuming that the data can be looked upon as a randomsample from a bivariate normal population, calculate rand test its significance at the 0.01 level of significance.Also, draw a scattergram of these paired data and judgewhether the assumption seems reasonable.
