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 ) IQ Scores Frequency Relative Frequency 50 69 24 70 89 90 109 453 110 129 0 25 130 149 25 Total 1000 (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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Question: . The frequency distribution below shows the distribution for IQ scores for a random sample of 1000 adults. ( Show all work. Just the answer,

.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.)

IQ Scores

Frequency

Relative Frequency

50 - 69

70 - 89

90 - 109

453

110 - 129

0.25

130 - 149

Total

1000

(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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