Statistics is a division of mathematics that centers on the collection and evaluation of data, which can be drawn upon to make conclusions (Aron, Aron, & Coups, , 2). Two branches of statistics exist, including descriptive and inferential domains. Extrapolation beyond the data is where the real difference emerges 24/4/ · Provide the following descriptive statistics: Measures of Central Tendency: Mean, Median, and Mode; Measures of Variation: Variance, Standard Deviation, and Range (a formula is not needed for Range). Once the data is calculated, provide a word analysis of the descriptive statistics on the spreadsheet. This should include differences and Descriptive statistics provide a defender with summaries about the data collected and these summaries may be either quantitative or visual. Quantitative descriptive statistics are the sum of data points that are usually reported as total numbers or averages in a report
Descriptive Statistics Essay - Words
In research, the need to accurately produce results is imperative to efficient research. Team C has further simplified the meaning of champion team to any team whose team dynamics cause the team to have a winning season.
With that being said, descriptive statistics essay, this paper will be focused on the research tools needed and the results provided by the tools to answer what stats are important for teams in the MLB to win games and eventually be champions.
Even when dealing with enormous sets of data it is important to get an idea by looking at the measures of central tendency. The first three that will be looked at are mean, median, and mode.
A more common term for mean is average. The following table shows the mean, median, and mode for the four sets of data that Team C descriptive statistics essay be researching: Wins, Salary, Total Season Attendance, and Team Earned Run Average. Although the chart has shown detailed information, descriptive statistics essay, the need for dispersion will aid in achieving more precise data collection.
Dispersion Dispersion is a critical part of statistics because of the accuracy factor. The four are range, average deviation, variance, and standard deviation. The four descriptive statistics essay of dispersion help to paint a clear picture of how the four identified stats help develop winning teams.
Measure skewness will help to make sure the data collected is uniform. Measure of Skew. Skewness is a measure of symmetry, or more precisely, the lack of symmetry. The skewness for a normal distribution is zero, and any symmetric data should have skewness near zero. Negative values for the skewness indicate data skewed left and positive values for the skewness indicate data skewed right.
Skewed left is defined as the left tail is long in comparison to the right tail on the histogram. Skewed right is defined as the right tail is long in comparison to the left tail histogram. The average wins for 30 teams, or the mean is 81, whereas the median is equal to the mean at 81 wins. The mode or most recurring number of wins is The skewness of the applied wins descriptive statistics essay results in a negative number, resulting in a negative or data skewed to the left.
In this case the variance is so minimal that the histogram for wins would look symmetrical rather than negatively skewed. The skewness for this data is a 2. This dramatic difference in data is a result of the variation in the highest team salary compared to the mean. Attendance in a Major League game directly impacts the descriptive statistics essay and ability to pay higher salaries for better players. The data researched shows a mean of 2.
The skewness is displayed as positively skewed or skewed to the right. The variance is very minimal resulting in a symmetrical histogram. The slight pull to the right is a result of increased attendance at 3. Team ERA. Mean, median and mode are used to measure central tendency and the dispersion of data.
The mode is very useful when the data is overly skewed. The median helps to determine the quartile range and the skew of the data. The median is not affected much by the small proportion of the data with very high or very low values. The median is a good measure of the central tendency and dispersion of the data when considering what makes a Major League Baseball team successful team. After reviewing all data collected, descriptive statistics essay, Team C has derived that the combination of these stats gives the solution for the hypothesis posed.
After extensive research, Team C has discovered that the factors the team focused on do have an effect on the wins for a Major League Baseball team. In the case of attendance, a successful team needs a minimum of 2.
In addition, this high fan base can help generate the 73 million needed to pay quality players and operate the team. These quality players need to provide a minimum of 4. Although this stat is based on a pitcher, the team as a whole has to be good descriptive statistics essay to aid the pitcher in this goal.
If the teams can achieve this goal, their average wins would be well over 81 wins for the season. This is a winning season, and eventually, as numerous teams that have fallen into these categories have shown, descriptive statistics essay, the championship could be the reward. A team that plays smart and efficient will win games and championships. The number of wins, salaries, attendance, and earned run average ERA contribute to this success.
ERA is the average number of runs allowed by the pitcher. The lower number of runs the better. The ERA stats tell us that the most number of wins by a team is The overall team salaries indicate that the player salaries are indicative of player quality, ability, and results thereof.
The attendance of descriptive statistics essay fans and public plays a major role in the success of the team. The monies generated from attendance make it possible descriptive statistics essay owners and management to hire quality talent. Owners and management must be consistent when hiring and managing the players.
Team C has concluded through its research that these are the major factors for winning games and championships. Science Buddies. Summarizing Your Data. shtml Sekaran, U. Research Methods For Business: A Skill Building Approach, descriptive statistics essay. New York, NY. Descriptive Statistics. Accessed April 29, Descriptive Statistics Categories: Descriptive Mean Statistic. Download paper. Essay, Pages 6 words. Get a verified writer to help you with Descriptive Statistics. Top Writers. Verified expert, descriptive statistics essay.
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Descriptive Statistics vs Inferential Statistics
, time: 7:20Essay about descriptive statistics - Words
“In general, the mean is the descriptive statistic most often used to describe the central tendency of a group of measurements.” (Science Buddies, ) However, the mean is not always the best measure of central tendency and dispersion when there is a presence of extreme values in the data 8/6/ · Descriptive statistics is the analysis of data that summarize data in a way such that, meaningful patterns emerge from the data. Descriptive statistics do not allow us to reach to the conclusions beyond the data we have analyzed regarding any hypotheses we might have made. They simply describe our data 24/4/ · Provide the following descriptive statistics: Measures of Central Tendency: Mean, Median, and Mode; Measures of Variation: Variance, Standard Deviation, and Range (a formula is not needed for Range). Once the data is calculated, provide a word analysis of the descriptive statistics on the spreadsheet. This should include differences and
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