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Chapter 13

sarah wood 4 preguntas

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Preguntas del test (4)

1Using the Standard Normal Table, what is the z-score with 0.9345 to its left?
1. A0.8289
2. B0.9345
3. C1.51
4. D2.00
2Rachel scored 670 on the analytic portion of the GRE (Graduate Record Exam). GRE scores are Normally distributed with a mean of 600 and a standard deviation of 30. How many standard deviations above the mean is Rachel's score?
1. A0.67
2. B1.67
3. C2.33
4. D70.0
3Which of the following intervals corresponds to the smallest area under a Normal curve?
1. AQ1 to Q3
2. Bμ to (μ + 3σ)
3. CQ1 to (μ + 2σ)
4. D(μ - σ) to Q3
4How many standard deviations above and below the mean do the quartiles of any Normal distribution lie? (Find the z-scores for Q1 and Q3.)
1. A0.25
2. B0.33
3. C0.50
4. D0.67
5. E0.75

Descripción: Statistics Test sobre Chapter 13, creado por sarah wood el 11/02/2019.
Autor: sarah wood
Idioma: English
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Etiquetas: statistics
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