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In the past, a business noted its mean sales order size was $100. This business is interested in testing whether a recent advertising campaign has changed its mean sales order size. A random sample of 50 orders produced a sample mean of $105. Assume the standard deviation is known to be $15 and sales order size is normally distributed. What are the correct null and alternative hypotheses for this test? O Ho: μ = 100; Ha: μ* 100 O Ho: H= 105; H₂:μ* 105 Ho: < 105; H₂:μ> 105 Ho: 100; Ha:μ > 100 O Ho: > 100; H₂: μ< 100

In the past, a business noted its mean sales order size was $100. This business is interested in testing whether a recent advertising campaign has changed its mean sales order size. A random sample of 50 orders produced a sample mean of $105. Assume the standard deviation is known to be $15 and sales order size is normally distributed. What are the correct null and alternative hypotheses for this test? O Ho: μ = 100; Ha: μ* 100 O Ho: H= 105; H₂:μ* 105 Ho: < 105; H₂:μ> 105 Ho: 100; Ha:μ > 100 O Ho: > 100; H₂: μ< 100

MATLAB: An Introduction with Applications
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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In the past, a business noted its mean sales order size was $100. This business is interested in testing whether a recent advertising campaign has changed its mean sales order size. A random sample of 50 orders produced a sample mean of $105. Assume the standard deviation is known to be $15 and sales order size is normally distributed. What are the correct null and alternative hypotheses for this test? O Ho: μ = 100; Ha:µ* 100 Ho: μ = 105; H₂:µ*105 O Ho: < 105; H₂ : > 105 Ha : u > 100 H₂ μ< 100 © Ho : u < 100; O Ho: > 100; 1140 A MacBook Pro D W P ZOO
Transcribed Image Text:In the past, a business noted its mean sales order size was $100. This business is interested in testing whether a recent advertising campaign has changed its mean sales order size. A random sample of 50 orders produced a sample mean of $105. Assume the standard deviation is known to be $15 and sales order size is normally distributed. What are the correct null and alternative hypotheses for this test? O Ho: μ = 100; Ha:µ* 100 Ho: μ = 105; H₂:µ*105 O Ho: < 105; H₂ : > 105 Ha : u > 100 H₂ μ< 100 © Ho : u < 100; O Ho: > 100; 1140 A MacBook Pro D W P ZOO
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