Standard Deviation
Not what you're looking for?
How do you find the z-score corresponding to a score of X = 100 for the distributions given below? How do you know what direction they are going?
a. mu = 80 and sigma = 10
b. mu = 80 and sigma = 5
c. mu = 105 and sigma = 10
d. mu = 105 and sigma = 5
Above, mu represents Mean and sigma represents Standard Deviation.
Purchase this Solution
Solution Summary
The steps to show standard deviation below the mean are applied.
Solution Preview
We will use the formula:
z-score = (X - mu)/sigma
Sign of z-score tells the direction. If sign is positive then score is above mean and ...
Education
- BSc, Meerut University
- MSc, Meerut University
- MPhil, Institute of Advanced Studies
- MSc, AIT
Recent Feedback
- "Perfect, thank you so much!!! I will definitely request you in the future! You are amazing!"
- "Thank you. "
- "Thank you so much I have two more that I need your help with if your available."
- "Thank you, I was wondering why you rejected me the first time."
- "Thanks again."
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.
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.
Terms and Definitions for Statistics
This quiz covers basic terms and definitions of statistics.