Advertising ($billions) Advertising ($billions) Company Company Procter & Gamble Comcast $5.00 3.08 American Express General Motors Toyota Fiat Chrysler Walt Disney Company J.P Morgan $2.19 2.15 AT&T 2.91 2.09 Ford Verizon L'Oreal 2.56 2.44 2.34 1.97 1.96 1.88
Inverse Normal Distribution
The method used for finding the corresponding z-critical value in a normal distribution using the known probability is said to be an inverse normal distribution. The inverse normal distribution is a continuous probability distribution with a family of two parameters.
Mean, Median, Mode
It is a descriptive summary of a data set. It can be defined by using some of the measures. The central tendencies do not provide information regarding individual data from the dataset. However, they give a summary of the data set. The central tendency or measure of central tendency is a central or typical value for a probability distribution.
Z-Scores
A z-score is a unit of measurement used in statistics to describe the position of a raw score in terms of its distance from the mean, measured with reference to standard deviation from the mean. Z-scores are useful in statistics because they allow comparison between two scores that belong to different normal distributions.
Which companies spend the most money on advertising? Business insider maintains a list of the top-spending companies. In 2014, Procter & gamble spent more than any other company, a whopping $5billion.In second place was Comcast, which spent $3.08 billion (Business Insider website, December 2014). The top 12 companies and the amount each spent on advertising in billions of dollars are as follows.
a. What is the
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c.What are the first and third
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