Purchase Solution

Determining percentiles, quartiles and deciles

Not what you're looking for?

Ask Custom Question

(See attached file for full problem description and data)

Determine the median number of calls
Determine the first and third quartiles
Determine the first decile and the ninth decile
Determine the 33rd percentile

Attachments
Purchase this Solution

Solution Summary

The solution determines specific percentiles, quartiles and deciles of a discrete set of data. A histogram is analyzed.

Solution Preview

Please see the attached file.

38 40 41 45 48 48 50 50 51 51
52 52 53 54 55 55 55 56 56 57
59 59 59 62 62 62 63 64 65 66
66 67 67 69 69 71 77 78 79 79

1.Determine the median number of calls

Here the total number of calls = 40

It is an even number.

So, the median is average of middle two numbers.
(ie) Median = ...

Purchase this Solution


Free BrainMass Quizzes
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.

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

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.