MATH-2820 Lecture 30: Applications of goodness of fit

ISAT 151 Hw Assignment 12 (Assignment) (Compatibility Modr) Ward File Home Insert Draw Desin Layout References Mailings Review View Tell me what you want to do Share X Cut Pasta Select Ciptoer edtin Peraqreph style: 58. Sales Daily sales of Doggy brand cookies can be modeled by s(t) 400 cos 2Tt 2)/7 cartons, where t is time in days since Monday morning. How fast are sales changing on Thursday morning? HINT [See Example 2.1 60. Solar Emission The following model gives the flux of radio emission from the Fit)-49.6sin[0.602(t-1 .48)]+1 1 1 where t is the number of years since January 1, 1997, and F(t) is the average flux of solar emission of a specified wavelength at time f18. Compute and interpret F'(5.5) 18Ibid Flux measured at a wavelenath of 10.7 cm Page 2 of 4 095 words L + 244% Type here to search 12:53 PM 11/28/2017

2. [15] (a) Find the best-fit line for the data set (2, 6), (4, 3) and (6, l). (b) What is the x-intercept of the best-fit line? (c) Find the SSE.