OHaganBooks.com has been promoting a number of books published by Duffin House. The following table shows the number of books purchased each month from Duffin House for the past 5 months. Month t 1 2 3 4 Purchase (books) 1,330 520 520 1,340 2,980 (a) Calculate the sum-of-squares error for each of the models. (Round your answers to one decimal place.) 3,000 1 + 12(2-¹) n(t) = n(t) = n(t) = 300(1.6) n(t) = 100(4.1² - 20.4t + 29.5) Which of the models best approximates the data? 3,000 1 + 12(2) 2,000 4.2 - 0.7t O n(t) = O n(t) = On(t) = 300(1.6¹) On(t) = 100(4.1t² - 20.4t + 29.5) n(t) = 2,000 4.2 - 0.7t (b) What do each of the following models predict for the number of new users in the next few months: rising, falling, leveling off, or something else? 3,000 1 + 12(2-²) n(t) = O rising O falling O leveling off O something else OOOOO ⁰⁰0 2,000 4.2 - 0.7t O rising O falling O leveling off O something else n(t) = 300(1.6) O rising O falling O leveling off O something else 5 n(t) = 100(4.1t² - 20.4t + 29.5) O rising O falling O leveling off O something else

Answer part A and D only!

Watch the cell division video(https://www.youtube.com/watch?v=KIpcCyuypzg) Fill out the data table.

The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). (a) Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have? OA. The variable "weekly time spent watching television" is likely normally distributed. OB. The variable "weekly time spent watching television" is likely symmetric, but not normally distributed. OC. The variable "weekly time spent watching television" is likely uniform, not normally distributed. O D. The variable "weekly time spent watching television" is likely skewed left, not normally distributed. O E. The variable "weekly time spent watching television" is likely skewed right, not normally distributed. (b) According to a certain survey, adults spend 2.25 hours per day watching television on a weekday. Assume that the standard deviation for…

The spreadsheet below shows the percentage weight given to homework, exams, and the Op-ed assignment. It also shows the grades that QR Student received on each. CalculateQR Student's final grade. NAME Homework 20% op-ed10% exam 1 20% exam 2 20% final 30% Final Grade  student A 82 93 70 81 88

The amount of time adults spend watching television is closely monitored by firms because this helps to determine advertising pricing for commercials. Complete parts (a) through (d). C (a) Do you think the variable "weekly time spent watching television" would be normally distributed? If not, what shape would you expect the variable to have? A. The variable "weekly time spent watching television" is likely skewed right, not normally distributed. O B. The variable "weekly time spent watching television" is likely symmetric, but not normally distributed. O C. The variable "weekly time spent watching television" is likely skewed left, not normally distributed. O D. The variable "weekly time spent watching television" is likely normally distributed. O E. The variable "weekly time spent watching television" is likely uniform, not normally distributed. (b) According to a certain survey, adults spend 2.45 hours per day watching television on a weekday. Assume that the standard deviation for…

The data in the table represents the number of new phone calls a company gets each week after opening. Week After Opening Number of Phone Calls 1 80 2 72 3 63 4 58 5 50 Based on a linear model, predict what week the company should expect 35 calls. Only type the whole number answer in the box. Do not type any words in the box.