Purchase Solution

How do you compute the sample mean and estimated standard error for the sample?

Not what you're looking for?

Ask Custom Question

The following sample was obtained from a population with unknown parameters. Scores: 6, 12, 0, 3, 4

a. Compute the sample mean and standard deviation. (Note that these are descriptive values that summarize the sample data.)

b. Compute the estimated standard error for M. (Note that this is an inferential value that describes how accurately the sample mean represents the unknown population mean.)

Purchase this Solution

Solution Summary

This solution contains complete, worked through solutions for descriptive and inferential statistics from sample data. The sample mean, standard deviation and estimated standard error are calculated.

Solution Preview

In order to determine the mean, you simply sum all the scores within the data set and divide by the number of scores.

Mean = (6 + 12 + 0 + 3 + 4)/5

= 5

Standard deviation is a little tricky to explain, but I think this source will help walk you through it if you ...

Purchase this Solution


Free BrainMass Quizzes
Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

Measures of Central Tendency

Tests knowledge of the three main measures of central tendency, including some simple calculation questions.

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.