QNT 275 Success Begins / snaptutorial.com - PowerPoint PPT Presentation

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QNT 275 Success Begins / snaptutorial.com

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1. In a hearing test, subjects estimate the loudness (in decibels) of a sound, and the results are: 69, 67, 71, 72, 65, 75, 68, 68, 83, 73, 68. Calculate the measures of central tendency (Mean, median, mode) and the measures of dispersion (range, standard deviation, variance). 2. – PowerPoint PPT presentation

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Title: QNT 275 Success Begins / snaptutorial.com


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QNT 275 Social Responsibility / snaptutorial.com
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QNT 275 Social Responsibility / snaptutorial.com
QNT 275 Week 2 Homework Problem Set Excel
File   For more classes visit www.snaptutorial.com
  1.   In a hearing test, subjects estimate the
loudness (in decibels) of a sound, and the
results are 69, 67, 71, 72, 65, 75, 68, 68, 83,
73, 68. Calculate the measures of central
tendency (Mean, median, mode) and the measures of
dispersion (range, standard deviation, variance).
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QNT 275 Social Responsibility / snaptutorial.com
QNT 275 Week 3 Homework Problem Set Excel
File   For more classes visit www.snaptutorial.com
  1.   A survey is made in a neighborhood of 90
voters. 75 are Democrats and 15 are Republicans.
Of the Democrats, 30 are women, while 7 of the
Republicans are women. If one subject from the
group is randomly selected, find the probability
the
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QNT 275 Social Responsibility / snaptutorial.com
QNT 275 Week 4 Homework Problem Set Excel
File   For more classes visit www.snaptutorial.com
  1.   A sample of 100 items has a population
standard deviation of 5.9 and a mean of 32.
Construct a 95 percent confidence interval for
µ.  
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QNT 275 Social Responsibility / snaptutorial.com
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