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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: What is the level of measurement for Pain level left scale of 0 to 10 right
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Q: A bag contains 30 cookies 9 vanilla 9 chocolate and 12 oatmeal. What is the probability that a chocolate is randomly selected
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Q: Eighty percent of all California drivers wear seat belts. if three drivers are pulled over what is the probability that all would be wearing their seat belts write as a percent to the nearest ten
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Q: What is the probability that a randomly selected case from a normally distributed distribution will have a score between -1.00 and the mean
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Q: Can paired means be statistically significant
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Q: How do you find p value with test statistic and critical value
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Q: What is the p value of a test statistic of 1.369
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Q: How many ways can 12 books be arranged on the shelf
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Q: Which of the following is the best definition of the sample space Space of a probability event
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Q: What is the relationship between risk and probability
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Q: What are some benefits of representing data sets using graphs of frequency distribution
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Q: What is the estimated number of Christians in the US
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Q: What is the probability of getting a factor of 6
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Q: What is the probability of rolling a pair of dice and obtaining a total score of 9 or greater
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Q: What data is in the form of numbers
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Q: Which statement is an example of causation
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Q: When a penny and a nickel are tossed. find the probability that the penny shows heads given that the nickel shows heads
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Q: In a lottery of 50 tickets numbered 1 to 50 one ticket is drawn. Find the probability that the drawn ticket bears a prime number
3 answers
Q: What do historians refer when they discuss causation
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Q: How A five-number summary (min Q1 median Q3 max) for a set of data is (15203550115). Which is the largest number listed below that is not an outlier
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Q: If a test of hypothesis has a type I error probability of 0.01 it means
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Q: If I roll a 6-sided die and flip a coin find P(odd or T)
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Q: What is a disadvantage of cross sectional study
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Q: Is the number of cars owned discrete or continuous
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Q: What data that does not fit well with the rest of a data set.
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Q: What type of event is when you toss a coin one time and observe tails
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Q: Is a cohort study qualitative or quantitative
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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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