A Researcher Performs a Hypothesis Test to Test the Claim $\mathrm { H } _ { 0 }$

question 66

Multiple Choice

A researcher performs a hypothesis test to test the claim that for a particular breed of dog,the mean weight of an adult dog is less than 18 kg.Use the given computer output to draw a conclusion about the mean adult dog weight for this breed at a significance level of 0.05. Test of $\mathrm { H } _ { 0 }$ : ? = 18 vs $\mathrm { H } _ { \mathrm { A } }$ : ? < 18
N Mean StDev t P-value
21 17.883 0.212 -2.53 0.01

• A)Fail to reject the null - there is strong evidence that the mean weight is less than 18 kg.
• B)Reject the null - there is strong evidence that the mean weight is 18 kg.
• C)Reject the null - there is strong evidence that the mean weight is less than 18 kg.
• D)Fail to reject the null - there is strong evidence that the mean weight is 18 kg.
• E)There is insufficient information to draw a conclusion.

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Definitions:

Marketing Failure

Marketing failure occurs when a marketing plan fails to achieve its objectives, leading to wasted resources, lost opportunities, or negative impact on a company's brand.

Target Drift

The phenomenon where the intended target market or audience gradually changes over time, impacting marketing strategies.

Segment Shift

A change in market dynamics that leads to the movement of customers from one market segment to another due to factors like changing needs, emerging technologies, or competitive actions.

Differentiating

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