Res 341 Lab test 1-3

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

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
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.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
-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
Background image of page 2
Background image of page 3
This is the end of the preview. Sign up to access the rest of the document.

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 => Mean=316/23=13.73 Median will still be 14 and the 3 modes -2,9,24 => 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 => 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...
View Full Document

Page1 / 3

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

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online