Purchase Solution

Statistics: Normal Probability

Not what you're looking for?

Ask Custom Question

Please assist with the following question. Thanks in advance for your help!

As players' salaries have increased, the cost of attending baseball games has increased dramatically. The file attached (BBCOST) contains the cost of four tickets, two beers, four soft drinks, four hot dogs, two game programs, two baseball caps, and the parking fee for one car for each of the 30 Major League Baseball teams in 2009.

Decide whether the data appear to be approximately normally distributed by
1. Comparing data characteristics to the theoretical properties
2. Constructing a normal probability plot

See attached data file labeled BBCost

Thanks for the help!

Attachments
Purchase this Solution
Solution Summary

The solution gives detailed steps on deciding if the data appear to be approximately normally distributed by comparing data characteristics to the theoretical properties and constructing a normal probability plot.

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.

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

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.

View More Free Quizzes
Related BrainMass Solutions

  • Probability

    First we calculate z statistics, z = (x - mean)/standard deviation For 44, which falls on the left of mean, the z statistics is Z = (44 - 50)/4 = - 1.5. In the table of standard normal distribution we get the value of 0.4332 in the row of 1.5.

  • Importance of normal distribution to Statistics

    The probability value can be calculated using NORMDIST function in Excel given the mean and standard deviation and the value for which probability is to be computed. This posting provides reasons of importance of normal distribution to statistics

  • Statistics binonmial distribution: probability of success of 0.5

    The probability of success for statistics binomial distribution.

  • T and Z Statistics and Pooling

    The approximation of the t-statistics and z-statistics are discussed. The concept of "pooling" standard deviations is also explained.

  • Statistics MCQs for Practice

    184014 Mean, Median and other statistics questions 1. Some normal probability distributions may have the same mean, but their standard deviation may be different True or False 2.

  • Statistics MCQ - Multiple Choice

    This posting provides solution to statistics MCQs focusing on probability, binomial probability distribution, normal probability concepts, etc

  • Statistics

    17192 Statistics: Normal Approximation to the Binomial Question 2: Using the normal approximation to the binomial to approximate the probability that X is at least 10, the area under the normal curve should be calculated from?

  • Probability that a Randomly Selected Household has Low Life Insurance

    We thus get: Prob( Z < -1.036) Using a standard normal table, which can be found in most Statistics books, or in sites like http://math2.org/math/stat/distributions/z-dist.htm we find that this probability is 0.1515.

  • Normal Probability

    A) Because the theorem is easy to apply B) Because the population has a Normal distribution C) Because this theorem is very important in inferential statistics. D) Because this theorem apply only in scores distributions.

  • Probability of normal distribution problem

    126223 Probability of normal distribution problem 1. Find the area under the Normal Distribution from the mean to a z-score of -2.07. 2. Find the z-score that corresponds to an area of 0.5557 under the Normal Distribution. 3.

View More Related Solutions