See the picture below. Note that I need assistance on the items that are in the red boxes. Those answers are wrong so please do not use them to answer this. Be certain of your answers. A market research firm supplies manufacturers with estimates of the retail sales of their products from samples of retail stores.Marketing managers are prone to look at the estimate and ignore sampling error. An SRS of 17 stores this year shows mean sales of 57units of a small appliance, with a standard deviation of 11 units. During the same point in time last year, an SRS of 10 stores had meansales of 68.99 units, with standard deviation 10 units. A decrease from 68.99 to 57 is a drop of about 21%.1. Construct a 99% confidence interval estimate of the difference uj - u2, where uj is the mean of this year's sales and u, is the mean oflast year's sales.(a) -23.82< (H1- 12) < 0.16(b) The margin of error is11.82

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Bf the Petall sales of their products from samples of retail stores. Marketing managers are prone to look at the estimate and ignore sampling error. An SRS of 17 stores this year shows mean sales of 57 nits of a small appliance, with a standard deviation of 11 units. During the same point in time last year, an SRS of 10 stores had mean ales of 68.99 units, with standard deviation 10 units. A decrease from 68.99 to 57 is a drop of about 21%. . Construct a 99% confidence interval estimate of the difference uj - H2, where uj is the mean of this year's sales and u2 is the mean of ast year's sales. a) -23.82 < (H1 - 42) < 0.16 b) The margin of error is 11.82

Bf the Petall sales of their products from samples of retail stores. Marketing managers are prone to look at the estimate and ignore sampling error. An SRS of 17 stores this year shows mean sales of 57 nits of a small appliance, with a standard deviation of 11 units. During the same point in time last year, an SRS of 10 stores had mean ales of 68.99 units, with standard deviation 10 units. A decrease from 68.99 to 57 is a drop of about 21%. . Construct a 99% confidence interval estimate of the difference uj - H2, where uj is the mean of this year's sales and u2 is the mean of ast year's sales. a) -23.82 < (H1 - 42) < 0.16 b) The margin of error is 11.82

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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