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What does it mean if the z score has a negative sign

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Reference no: EM131174813

• How is the alternate hypothesis related to the null hypothesis?

• Explain the difference between a one-tailed test and a two- tailed test.

• What does a Z score tell you?

• What does it mean if the Z score has a negative sign?

• Explain the eight characteristics of a normal distribution.

• Explain why converting raw scores to z scores is helpful in understanding data.

• Explain the concept of a sampling distribution.

• Identify three characteristics of the sampling distribution of the sample mean.

 

 

Reference no: EM131174813

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