Descriptive Statistics and Probability.
Not what you're looking for?
See the attached file.
Item CONCEPT ANSWER/RESPONSE
1 Define/discuss categorical variables vs. numerical variables.
2 Define/discuss sample vs.population.
3 Define/discuss skewness vs. kurtosis.
4 Define/discuss the three types of probability.
5 Define/discuss the types of 'events' associated with probability.
Compute the mean, median, mode, range,
standard deviation and z-scores INDIVIDUALLY.
Call Length
4.21
5.55
3.02
5.13
4.77
2.34
3.54
3.20
4.50
6.10
0.38
5.12
6.46
6.19
3.79
The time period from 2009 to 2012 saw a great deal of volatility in the value of stocks.
The data in the following table represent the total rate of return of our companies from 2009 to 2012.
Calculate the descriptive statistics for each company. Compare and discuss the results.
***You may use the 'descriptive statistics' table for this one.
Year Company A Company B Company C Company D
2012 25.3 26.4 45.4 29.4
2011 15.01 22.1 21.58 20.9
2010 5.44 11.9 1.03 10.97
2009 6.2 9.1 3.02 10.89
Consider the following contingency table; provide the
solutions for a through b.
B B'
A 10 30
A' 25 35
Purchase this Solution
Solution Summary
The solution provides step by step method for the calculation of descriptive statistics and probability.
Solution Preview
Please see the attachment.
Please note that this is not a hand in ...
Purchase this Solution
Free BrainMass Quizzes
Measures of Central Tendency
This quiz evaluates the students understanding of the measures of central tendency seen in statistics. This quiz is specifically designed to incorporate the measures of central tendency as they relate to psychological research.
Know Your Statistical Concepts
Each question is a choice-summary multiple choice question that presents you with a statistical concept and then 4 numbered statements. You must decide which (if any) of the numbered statements is/are true as they relate to the statistical concept.
Measures of Central Tendency
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.