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Choose the correct answer. 1. What is the percentile rank of 60 in the distribution of N(60,...

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Question

Basic Math

Choose the correct answer.

1. What is the percentile rank of 60 in the distribution ofN(60, 100)?

a. 10

b. 50

c. 60

d. 100

  1. The skewness value for a set of data is +2.75. This indicatesthat the distribution of scores is which one of the following?

    1. Highly negatively skewed

    2. Slightly negatively skewed

    3. Symmetrical

    4. Slightly positively skewed

    5. Highly negatively skewed

  2. For a normal distribution, all percentiles above the 50th mustyield positive z-scores. Is this true or false?

  3. The distribution of variable X has a mean of 10 and ispositively skewed. The distribution of variable Y has the same meanof 10 and is negatively skewed. Are the medians for the twovariables the same or different?

Answer & Explanation Solved by verified expert
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Choose the correct answer 1 What is the percentile rank of 60 in the distribution of N60 100 a 10 Answer b 50 c 60 d 100 Note for normal distribution median is same as mean Percentile rank of 60 median is 50 The skewness value for a set of    See Answer
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