Purchase Solution

Standard Deviation of doctors' ages

Not what you're looking for?

Ask Custom Question

The following data show the age distribution of the top 14 doctors in the emergency faculty of a local hospital.

Age Frequency

35-39 2
40-44 2
45-49 1
50-54 3
55-59 4
60-64 2

Using the computational formula, calculate the Standard Deviation of doctors' ages

Purchase this Solution

Solution Summary

Help with figuring the Standard Deviation of doctors' ages is given.

Solution Preview


This question uses a frequency distribution to describe the age scores. This gives 2 scores in the first age range, 2 scores in the second age range and so on.

By convention the upper and lower boundaries of the first interval are 34.5 and 39.5. The upper and lower boundaries of the next interval are 39.5 and 44.5, and so on. These are exact numbers that define the range that includes the whole numbers given as the bottom and top of each range (Howell, ...

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.