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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: 5 red candies 3 blue candies 4 yellow candies What is the probability of getting a red candy
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Q: Why do politicians simplify statistics
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Q: If 1.5 percent of the bolts made by a automotive factory what is the probability in a shipment of 200 that there are 6 defective bolts
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Q: How do you make a marble sorter hopper release one marble at a time
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Q: What is a probability of drawing a club and a 7
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Q: What is the median if the scores of an even number of cases are arranged from high to low
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Q: If you roll a fair die what is the theoretical probability of getting a 5
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Q: What is the probability of having a girl versus having a boy
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Q: Advantage of judgment sampling and quota sampling
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Q: The kind of sampling strategy least likely to produce statistics that are good estimates of population parameters is a
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Q: Which values represents the smallest distance
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Q: What is probability of 12 out of 20
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Q: When you flip a coin what is the probability that it will come uo tails
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Q: What does a scatter plot with strong positive correlation look like
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Q: The t distribution is used to construct confidence intervals for the population mean when the population standard deviation is unknown
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Q: Karina tossed a coin 10 times and got heads every time what is the probability she will get heads on the next toss
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Q: If the number of customers follows a Poisson distribution with a rate of 5.6 per minute what is the distribution of the time it will take for the next two customers to arrive
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Q: What is the definititon of a discrete random variable
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Q: Addition rule for probability of events A and B
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Q: Why iid random process is stationary
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Q: Mean and standard deviation of probability density function
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Q: If you flip a coin 5 times what is the probability that the coin will land on heads all five times
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Q: What is an event that occurs because of a preceding event
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Q: Sample space of tossing a coin 6 times
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Q: A sack contains red and blue marbles The ratio of red marbles to blue marbles is 43 If there are 16 red marbles in the sack how many blue marbles are in the sack
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Q: A fair die is rolled 36 times What is the standard deviation of the even number 2 4 or 6 outcomes
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Q: A fellow classmate tosses 3 coins and finds that 2 of them come up tails Which of the following is the best conclusion for her to come to
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Q: How many possible outcomes are in the sample space for the event first roll a die and then shoot a basket
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Q: What is the z value for 75 percent confidence interval estimation
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Q: Formula of mean for grouped data
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Q: In a good regression model the residual plot shows
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Q: Does the empirical rule work for any data set
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Q: A six sided cube is rolled find the probability of P6
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Q: What proportion of a normal distribution is located in the tail beyond a z-score if z equals -1.50
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Q: What is simple random sampling and stratified random sampling
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Q: What is 0.1 for a two tailed test
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Q: Difference between a random variable and a probability distribution is
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Q: A random variable and a probability distribution
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Q: After 5 points are added to every score in a distribution the mean is calculated and found to be m equals 30 What was the value of the mean for the original distribution
2 answers
Q: What are the odds of a bird pooping on you
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Q: In a report to show a correlation between a full moon and animal bites which table would be most appropriate
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Q: What is the middle number in set of data
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Q: 3 pictures are selected randomly from 5 pictures and arrange how many ways are there to arrange
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Q: List of four digit numbers in the set 0-9
2 answers
Q: Georgia is taking a 5 question multiple choice quiz in which each question has 4 choices She guesses on all questions What is the probability that she answers exactly 2 of the questions correctly
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Q: What is two or more events in which the outcome of one event does not effect the outcome of the other event
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Q: You expect that out of a random sample of 100 Tarzan the Apex Man moviegoers around 87 of them will think it is the best movie ever is this True or False
1 answer
Q: The best most reliable sampling technique is the one that has the smallest chance of unknowingly producing biased results in a study
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Q: Definition of guarantee error in instrumentation
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Q: Is birthday ordinal or nominal
2 answers
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