# Measure of central tendency and dispersion

Not what you're looking for?

Measure of central tendency and dispersion allow researchers to analyze data more effectively. A quick serve restaurant chain commissioned a research study on the introduction of a new salad product. The survey asked the respondent for an assessment of the new salad. The questions included a rating from 0 (lowest) to 10 (highest) on several attributes of the new product. A rating of 8.0 and above is considered to be the goal. The following selected results were from a sample of 759 respondents:

Portion Size (8.01/1.81)

Overall Appearance (8.79/1.02)

Overall Freshness (8.80/0.85)

Value for Money (7.51/1.85)

Amount of Ingredients (7.36/1.76).

##### Purchase this Solution

##### Solution Summary

The solution discusses the measure of central tendency and dispersion.

##### Solution Preview

A survey has been conducted for an assessment of a new salad by a quick serve restaurant chain in which a sample of 759 respondents have been asked to give ratings from 0 (lowest) to 10 (highest) on several attributes of the new product.

The mean rating for the portion size of the salad is 8.01which is above the required goal of 8.0. The standard deviation of the rating for portion size is 1.81. The high value of the standard deviation as compared to the mean indicates considerable amount of dispersion in the rating for portion size of the salad. In ...

###### Education

- MSc, Osmania University
- MSc, Indian Institute of Technology - Roorkee (I.I.T.-ROORKEE)
- BSc, Banaras Hindu University

###### Recent Feedback

- "Very fast turnaround. Excellent communication! Much appreciated!"
- "excellent"
- "excellent"
- "excellent work"
- "Fantastic..great solution and very well explained!!!!"

##### 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.