Purchase Solution

Frequency distribution, histogram and stem-and-leaf

Not what you're looking for?

Ask Custom Question

For following set of scores, prepare a frequency distribution, a histogram, and a stem-and-leaf display for each variable. Also calculate the mean, the median and the standard deviation of each score. Are there any outliers in the distribution? If so,what is the result if these scores are removed fro the data set? Draw a scatterplot that illustrates the relationship between the two variables.
Variable A Variable B
Sam 12 80
Sally 10 60
Frank 19 85
Bob 8 65
Colleen 2 55
Isaiah 15 75
Felix 1 95
Dan 20 82
Robert 6 70
Jim 11 88
Michelle 3 59
Jan 7 60

Purchase this Solution

Solution Summary

The solution examines frequency distribution, histograms and stem-and-leaf plots for each variable. The mean, median and standard deviation are calculated.

Solution Preview

Create frequency distribution, histogram and stem-and-leaf display for each variable.
For following set of scores, prepare a frequency distribution, a histogram, and a stem-and-leaf display for each variable. Also calculate the mean, the median and the standard deviation of each score. Are there any outliers in the distribution? If so, what is the result if these scores are removed fro the data set? Draw a scatter plot that illustrates the relationship between the two variables.
variable A variable B
Sam 12 80
sally 10 60
frank 19 85
bob 8 65
colleen 2 55
Isaiah 15 75
Felix 1 95
Dan 20 82
Robert 6 70
Jim 11 88
Michelle 3 59
Jan 7 60

Solution:
Frequency distribution for variable A

Frequency Distribution - Quantitative

variable A cumulative
lower upper midpoint width frequency percent ...

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.