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Statistics

Dive into the realm of statistical methods and analyses, covering everything from probability and data collection to descriptive and inferential statistics. This subject is crucial in making informed decisions based on data.

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Questions
Q: For an odd number of data how is the median computed
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Q: Is the correct definition of Power of a test (Note Ho null hypothesis Ha alternative hypothesis)
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Q: What are odds of throwing a prime number with a dice
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Q: What The mean median and mode are examples of what type of statistics
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Q: If there is a correlation between Event A and Event B what can be a true statement
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Q: What is wrong with this type of sampling method
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Q: How do you calculate mode with two modal classes
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Q: What if there a two modal class
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Q: If you have 7 different video games. How many different ways can you arrange the games side by side on a shelf
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Q: What type of graph can be used to display the distribution of a nominal level variable
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Q: What type of graph best portrays the overall shape of the distribution of a variable
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Q: When can the standard error of the estimate be used to construct a prediction interval about a value y'
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Q: What You decide you want your sample to be representative of the population. Which sampling process would provide the most representative sample
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Q: What is the probability of drawing a black 5 or a king of clubs from a standard deck of cards
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Q: What is the probability of drawing the 8 of hearts
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Q: What is the Z value for 91 percent confidence interval estimation
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Q: What does the critical value represent
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Q: What does the analysis data leads to
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Q: How do you form a frequency polygon from a frequency diagram
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Q: How does sample size affect t score
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Q: What is the probability of getting less than 6 when you roll a fair dice
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Q: What are advantages of inferential statistics
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Q: What is the sum of the percent frequencies for all classes will always equal
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Q: Is Environmental advertising nominal and ordinal scale
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Q: Can tossing a coin can be a description of a simple event
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Q: Who started the fidget spinner company
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Q: What is the probability of drawing three non face cards in a row from a standard deck of cards when the drawn card is not returned to the deck each time
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Q: What is the Probability of a spade or a heart
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Q: What are inferential statistics
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Q: What is the probability of choosing a red marble or a green marble out of a bag containing 5 blue marbles 3 red marbles and 1 green marble
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Q: In each case are the two events dependent or independent Toss a dime and then toss a quarter. Pick a card from a deck of cards. Keep the card and pick another.
2 answers
Q: How can i calculate my survey results realistic
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Q: What 5 numbers have a mean of 5
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Q: What is the Correlation of flash point and IBP
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Q: What is the probability that a randomly drawn card is any ace of hearts
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Q: What is the standard normal distribution for the area between z 0 and z 0.60 rounded to four decimal places is
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Q: When each data class has the same frequency the distribution is symmetric
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Q: How many outcomes are there for the event of rolling a 6-sided number cube and then spinning an 4 part spinner
2 answers
Q: If there is a correlation b Event A and Event B statements is true
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Q: When you have a normal distribution and you know that the area above a given value of x is .35 you also know that
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Q: What is the symbol for the sample correlation coefficient in statistics
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Q: Is this true Both exams had the same range so they must have had the same median
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Q: Are mutually exclusive events
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Q: What is true of a random sample
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Q: What is the experimental probability that the next toss and spin will result in 3 and tails
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Q: What situation best illustrates the problem of selection bias in public opinion polling
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Q: If variance is 144. then standard divation is
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Q: What is the probability of pulling a king or queen
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Q: If a bag contains 50 marbles and 10 of them are green then what percent of the marbles are green
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Q: What is the probability of choosing a vowel in the alphabet
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