Demand for stereo headphones and MP3 players for joggers has caused Nina Industries to grow almost 50 percent over the past year. Problem 18-14 (Algo) he number or joggers continues to expand, 5o Nina expects demand for headsets to also expand, because, as yet, no safety laws Tiave been passed to prevent joggers from wearing them. Demand for the players for last year was as follows. MONTH DEMAND (UNITS) January February 4,115 4,215 3,915 4,315 4,915 4,615 5,215 Harch April May June July August September October November 4,815 5,315 5,615 6,215 5,915 December a. Using linear regression analysis. what would you estimate demand to be for each month next year? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Month Forecast January February March April May June July August September October November December b. To be reasonably confident of meeting demand. Nina decides to use 4 standard errors of estimate for safety. How many additional units should be held to meet this level of confidence? (Do not round intermediate calculations. Round your answer to the nearest whole number.) Additional units

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
100%
How do you do this step by step
Demand for stereo headphones and MP3 players for joggers has caused Nina Industries to grow almost 50 percent over the past year.
Problem 18-14 (Algo)
he number or joggers continués to expand, 50 Nina expects demand for headsets to also expand, because, as yet, no safety laws
Tiove been passed to prevent joggers from wearing them. Demand for the players for last year was as follows:
MONTH
DEMAND (UNITS)
January
February
Harch
4,115
4,215
3,915
4,315
4,915
4,615
5,215
April
May
June
July
August
September
October
November
4,815
5,315
5,615
6,215
5,915
December
a. Using linear regression analysis. what would you estimate demand to be for eath month next year? (Do not round intermediate
calculations. Round your answers to 2 decimal places.)
Month
Forecast
January
February
March
April
May
June
July
August
September
October
November
December
b. To be reasonably confident of meeting demand, Nina decides to use 4 standard errors of estimate for safety. How many additional
units should be held to meet this level of confidence? (Do not round intermediate calculations. Round your answer to the nearest
whole number.)
Additional units
Transcribed Image Text:Demand for stereo headphones and MP3 players for joggers has caused Nina Industries to grow almost 50 percent over the past year. Problem 18-14 (Algo) he number or joggers continués to expand, 50 Nina expects demand for headsets to also expand, because, as yet, no safety laws Tiove been passed to prevent joggers from wearing them. Demand for the players for last year was as follows: MONTH DEMAND (UNITS) January February Harch 4,115 4,215 3,915 4,315 4,915 4,615 5,215 April May June July August September October November 4,815 5,315 5,615 6,215 5,915 December a. Using linear regression analysis. what would you estimate demand to be for eath month next year? (Do not round intermediate calculations. Round your answers to 2 decimal places.) Month Forecast January February March April May June July August September October November December b. To be reasonably confident of meeting demand, Nina decides to use 4 standard errors of estimate for safety. How many additional units should be held to meet this level of confidence? (Do not round intermediate calculations. Round your answer to the nearest whole number.) Additional units
Expert Solution
Step 1

Statistics homework question answer, step 1, image 1

trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman