S@2WATUse the sales data given below to determine:(a) The least squares trend line.(b) The predicted value for 2004 sales.(c) The MAD.Use the editor to format your answerQuestions Filter (2)A+#3EDF3$4RFсF5%95Year1995199619971998199920002001200220032004团GF66T YSales (units)130140152160154172188200195?HF7&7UF8J4*81F910F109OF11KL*+P

Answered: Image /qna-images/answer/f800b773-da52-442d-b90b-8272cb9e63e2.jpg

Answered: Use the sales data given below to…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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(a) Find the five-number summary, and (b) draw a box-and-whisker plot of the data. 38 85 2 986 95 94 25 29 8 6 6 9 □ (a) Min = 2 (Simplify your answer.) Q₁ = (Simplify your answer.)
Answer d & e only
The sales manager of a real estate company collected information about the annual sales of his sales agents and their years of experience in selling. Salesperson A B C D E F G Years of experience 1 1 3 4 4 5 6 Annual sales (in thousand pesos) 50 30 80 100 90 120 135 a. Using any statistical software, produce a scatter diagram for these data with years of experience as the independent variable and annual sales as the dependent variable. b. Describe the form, trend, and strength of their association.
find the 5 number summary and construct a box plot for company A
Below are the commodity data. Determine (a) Laspeyer's price index and Laspeyer's quantity index. (b) Paasche's price index and Paasche's quantity index. (c) Fisher's ideal index (both Price and Quantity) January 2020 Price (S) Q2. January 2020 Quantity January 2021 Price (S) 4.45 January 2021 Quantity Commodity Toothpaste Shampoo Cough tablets Antiperspirant 5.49 2 3 4.29 3 6.29 3.79 4 5.67 4 4.29 4.89
The director of surgery at a local hospital is interested in understanding his unit’s costs. An assistant collected data for the past 36 months on unit cost (labor, supplies, and so on) along with the number of procedures performed in the unit. The assistant analyzed the data using a spreadsheet program, and the following output was generated. Equation Intercept $ 1,006,000 Coefficient on procedures $ 230 Statistical data Correlation coefficient 0.518 R2 0.268 The unit is planning to perform an average 18,5000 procedures per month for the coming year. Required A: Use the regression output to write the surgical unit cost equation. Surgical unit cost = ____________ + __________ x Procedures Required B: Based on the cost equation,…
Susan, a personal trainer, was interested in whether or not there was a linear relationship between the number of visits her clients made to the gym each week and the average amount of time her clients exercised per visit. She took the following data. Client 1 2 3 4 5 6 Number of visits per week 1 3 4 2 3 5 Average time spent exercising per visit (hours) 2 1.5 1 2 2 0.30 Using the best fit line, estimate the average time spent exercising per visit for 4 visits per week. Group of answer choices 1.03 hours 1 hour 10.3 hours 2 hours

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