Purchase Solution

Describe range, variance, standard deviation and calculate values

Not what you're looking for?

Given the following raw scores, calculate the following values, show your calculations:

Scores: 9, 7, 8, 4, 8, 8,7, 8, 9, 6, 3
a. Range _____________________
b. Variance ____________________
c. Standard Deviation _____________________

Describe each of the following statistical terms, and where applicable, define with the appropriate equation:

a. Range _______________________________________________
b. Variance _____________________________________________
c. Standard Deviation ______________________________________

Solution Summary

The expert describes the range, variance, standard deviation and calculate values.

Solution Preview

For more details see the attached file.

a) Range: Largest - Smallest = 9 - 3 = 6

b) Variance = (Sum of the squares of the observations/ No. of observations) - ( Mean)2,
Where Mean = Sum of the observations / No. of observations
Sum = 77
Mean = ...

Measures of Central Tendency

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

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.

Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.