Variance and Standard Deviation of Weights
Not what you're looking for?
Collect data consisting of at least 20 values. (You may also create a data set with reasonable values for your variable).
The values are given represent the weights of the 20 kids in the first grade class room:
36, 36, 37, 37, 38, 38, 41, 41, 41, 42, 42, 42, 42, 43, 44, 44, 44, 45, 45, 45,
a.Define the variable - the weight in pounds - it is a dependent variable.
b.Find the mean, median, mode, variance, and standard deviation for your data.
Mean - 41.15
Mode - 42
Variance =
Please help me figure out the variance and standard deviation to this scenario.
Purchase this Solution
Solution Summary
The variance and standard deviation of children's weights in a first grade classroom are provided.
Solution Preview
Variance and Standard Deviation
Collect data consisting of at least 20 values. (You may also create a data set with reasonable values for your variable).
The values are given represent the weights of the 20 kids in the first grade class room:
36, 36, 37, 37, 38, 38, 41, 41, 41, 42, 42, 42, 42, 43, 44, 44, 44, 45, 45, 45,
a.Define the variable - ...
Purchase this Solution
Free BrainMass Quizzes
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.
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
Tests knowledge of the three main measures of central tendency, including some simple calculation questions.