# Stats 200 Common final exam Question 4

**Tutor description**

The frequency distribution below shows the distribution for IQ scores for a random sample of 1000 adults. (Show all work. Just the answer, without supporting work, will receive no credit.) (a) Complete the frequency table with frequency and relative frequency. Express the relative frequency to three decimal places. (b) What percentage of the adults in this sample has an IQ score of at least 110? (c) Does this distribution have positive skew or negative skew? Why or why not?

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