Purchase Solution

Normal Distribution in Daily Life

Not what you're looking for?

Ask Custom Question

Normal distribution is so widely observed in daily life. Please provide an example.

Purchase this Solution
Solution Summary

Introduction of Normal distribution and examples are provided.

Solution Preview

Example 1: The IQ scores of Americans are approximately normally distributed, which can sometimes be thought of as having mean 100 and standard deviation 15, denoted as N(100,15). The mean tells us that the average IQ ...

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.

View More Free Quizzes
Related BrainMass Solutions

  • Describe the Properties of a Normal Distribution

    Because the normal distribution is so widely observed in daily life, there are standard formulae and procedures developed for the standard normal distribution which can be used in hypothesis testing.

  • Finding probability for standard normal variable

    (answer 9.9 years) need to show work 36)Attendance at a large show in Denver averages 8,000 people per day with a standard deviation of 500. assume the daily attendance figures follow a normal distribution a) what is the probability the daily attendance

  • Probability distributions - normal distribution

    Do the data indicate that the number of people treated is "in control"? Explain your answer. 2. A normal distribution has mean = 12 and standard deviation = 3. a. The z-score corresponding to x = 18. b.

  • Problems with Normal Distribution

    If sales follow a normal distribution with µ = 70,000 and  = 5,000 per day, how many loaves should Amazing bake daily? b.

  • Statistics: Caffeine consumption of a sample of 49 adult women

    Does it appear plausible that the population distribution of daily caffeine consumption is normal? Explain It does not appear that the distribution of caffeine consumption is normal.

  • Find a Percentile from a Given Normal Distribution

    In this problem, the objective is to find a specific percentile of X from a normal probability distribution: X ~ N(u = 6.0, sigma = 1.9) First find the desired percentile of the standard normal distribution or Z distribution (using a table or

  • Stochastic Inventory Model: An Example

    Hence follows standard normal distribution.

  • Random walk theory and normal distribution

    82242 Random Walk Theory and Normal Distribution Attached is the daily closing price of the stock (xmsr). Decide whether the data appears to be normally distributed by: 1. Record the daily changes in the closing stock price of each day.

  • Probabilities, Hypothesis Testing

    Part 3: Use hypothesis testing to investigate claims involving one or two samples, utilizing the standard normal distribution, t-distribution, r-distribution, and X2-distribution.

View More Related Solutions