Frequency Distribution (A) Introduction 1. Ungrouped data versus grouped data Ungrouped data (Raw data): It is a list of individual observed values of the random variable Grouped data (a frequency distribution): It is a table that displays the data in grouping along with the number of occurrences that fall into each group. 2. The components of a frequency distribution a. Class limits: They identify the inclusive values in a class of a frequency distribution The
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rates less than 70 = 50% b. Percentage of rates less than 55 = 16% c. Relative frequency of rates less than 40 = 2.5% d. Percentage of rates less than 85 = 84% e. Relative frequency of rates less than 100 = 97.5% f. Percentage of rates greater than 85 = 16% g. Percentage of rates greater than 55 = 84% h. Relative frequency of rates greater than 40 = 97.5% i. Percentage of rates between 55 and 85 = 68%
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Swing Kids 1. Hamburg‚ Germany. 1939. The main character‚ a young‚ German man named Peter Muller‚ was very traumatized by what the Nazi’s and Gestapo (the terrorist political police of the Nazi regime founded by Hermann Göring‚ whose purpose was to persecute all political opponents of the Nazi regime) did to his father. Over the course of the movie‚ Peter went through a change; he saw his father in a new light‚ and realized what really mattered in the world around him. Peter’s father was a violinist
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Swing Kids Before and during World War II was a tough time to live in Nazi Germany. The new laws and way of life during this period affected society of all ages in numerous different ways. New political and social groups were formed both to support and oppose the Nazi and the Gestapo leaders. One of these groups was known as the Swing Kids who listened to Jewish and black swing music and danced at illegal clubs against the Nazis. The movie‚ “Swing Kids”‚ explains this group of teenagers. The
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Radio Frequency (RF) transmission characteristics or Radio Frequency by definition is known as a frequency in the range within which radio waves may be transmitted‚ from about 3 kilohertz to about 300‚000 Gigahertz. RF is also the range of oscillation that ranges from 3 KHz to 300 GHz and work hand in hand with the frequency of the radio waves and the fluctuation currents that carry radio signals. Radio Frequency has different types of properties but ones that are most important are the radiation
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Mood Swings Have you ever felt that feeling when you hate every single thing around you? Or the feeling that even someone breathing can annoy you? And lets not forget that feeling when you’re just sad and you just feel so empty‚ for no apparent reason? Well‚ being a girl it kind of comes naturally being hormonal and all at that certain time every month and no it doesn’t immediately mean that were bipolar. But‚ not only girls experience these kinds of hormonal activities even boys do. Studies
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length should be of the shape shown. Hypothesis: That the shorter you create the pendulum string‚ the shorter the time difference for a swing. Method: 1. Attach the pendulum bob to the string and suspend from the clamp stand so that the string is 100cm in length. 2. Set the pendulum swinging by displacing the bob through a small angle. 3. Time 20 swings of the pendulum. Record the data. 4. Repeat step 3 twice more recording the data each time. 5. Repeat steps 1 4 for different string
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When three friends are pressured by the government and each other‚ what choices will they make to strengthen or weaken their friendship? When people are pressured into things‚ does the character change? Is it a good or bad way. In the movie "Swing Kids" Peter‚ Thomas‚ and Aarvid made choices that reflect the strengths and weaknesses of their friendship. Peter is almost the head of there little group‚ and the choices he makes determines what everyone else thinks and does. For example‚ Peter
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Star MP3. To summarize the consumer responses with a frequency table‚ how many classes would the frequency table have? 4. Two thousand frequent Midwestern business travelers are asked which Midwest city they prefer: Indianapolis‚ Saint Louis‚ Chicago‚ or Milwaukee. The results were 100 liked Indianapolis best‚ 450 liked Saint Louis‚ 1‚300 liked Chicago‚ and the remainder preferred Milwaukee . Develop a frequency table and a relative frequency table to summarize this information. 5. Wellstone
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Statistics: • Science of gathering‚ analyzing‚ interpreting‚ and presenting data • Measurement taken on a sample • Type of distribution being used to analyze data Descriptive statistics: Using data gathered on a group to describe or reach conclusions about that same group only. Descriptive statistics are the tabular‚ graphical‚ and numerical methods used to summarize data. Collect‚ organize‚ summarize‚ display‚ analyze Eg: According to Consumer Reports‚ General Electric washing machine
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