# Descriptive Analysis

Not what you're looking for?

See attached file for full problems and data.

Answer each problem below. Be sure to show all work. Give statistical evidence for your analysis and use statistical vocabulary.

Problem 1:

What is the probability that a person selected at random from the collected data will be male?

Problem 2:

What is the probablity that a person selected at random from the collected data will be under 25 years of age or over 50 years of age?

Height is generally considered to be randomly distributed. The mean height for U.S. males is about 69" with a standard deviation of 2.8".

Problem 3: Do a random sample of n=25 from the heights of men in the collected data.

a) Find the mean and standard deviation for height of the sample.

b) How representative is this sample of the heights of U.S. males? Give statistical evidence for your opinion.

Problem 4: Use whatever statistical tools will help you to answer the questions below. Take the HWAS data as a sample of online statistics students.

Assume that the distribution is normal.

a) Describe the distribution of heights for students (male and female).

b) What height range is likely to hold 95% of the students?

c) Describe the distribution of heights for female.

d) Describe the distribution of heights for male.

e) Is a woman more likely to be taller than the average man or is a man more likely to be shorter than the average woman?

Give statistical evidence for your answer.

##### Purchase this Solution

##### Solution Summary

Step by step method for computing descriptive statistics is given in the answer.

##### Purchase this Solution

##### Free BrainMass Quizzes

##### Terms and Definitions for Statistics

This quiz covers basic terms and definitions of statistics.

##### 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.

##### 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.