Res 341 Lab test 1-3

# Res 341 Lab test 1-3 - none of these measures (...

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The following list contains the average annual total returns (in percentage points) for mutual funds. The mutual funds appear in an online brokerage firm's "all-star" list. -6, -2, -2, 1, 4, 7, 9, 9, 11,12,13,14,15,18,19, 22, 24, 24, 26, 28, 33, 34, 38. Need to know which box to chose above and below. See next page for the full box’s for mean, median, mode or none of these measures.

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-6, -2, -2, 1, 4, 7, 9, 9, 11,12,13,14,15,18,19, 22, 24, 24, 26, 28, 33, 34, 38. Mean = [(-6)+(-2)+(-2)+1+4+7+9+9+11+12+13+14+15+18+19+22+24+24+26+28+33+34+38]/23 = 15.26 Median is the middle number which is 14 The data set has 3 modes which ar e : -2, 9, 24 (a) So the data set has a mean, a median and 3 modes and the answer is
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Unformatted text preview: none of these measures ( explanation: none of this measures do not exist in the data set could be translated to all of these measures exist ) (b) we replace -6 by -41 =&gt; Mean=316/23=13.73 Median will still be 14 and the 3 modes -2,9,24 =&gt; the answer is that only the Mean will be affected . (c) if the largest measurement is to be removed this means that 38 will be removed =&gt; the data set will look like this:-6, -2, -2, 1, 4, 7, 9, 9, 11,12,13,14,15,18,19, 22, 24, 24, 26, 28, 33, 34 and then the Mean and Median will be affected. (d) The data is negatively skewed because the left tail is longer...
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## Res 341 Lab test 1-3 - none of these measures (...

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