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Statistics
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.
17.8k
Questions
Q: Probability of getting an even product when rolled 2 dice
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Q: There are 4 red 4 black and 4 white marbles in a box how many do you have to take out without looking to be sure you have 2marbles of the same color
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Q: As the sample size increases the standard deviation of the sampling distribution increases
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Q: True or false A random variable is numerical and can be measured
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Q: A list of all three digit numbers
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Q: What effect does sample size have on the estimate of the mean
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Q: Theoretical probability of rolling a factor of 10 on a number cube
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Q: When a number cube is labeled 1 through 6 what is the probability of rolling a 3 write your answer as a fraction in simplest form
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Q: If IQ scores are normally distributed with a mean of 100 and a standard deviation of 17 and if the population of the world is 6575000000 how many geniuses are there in the world today
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Q: How do you graph the fraction 3.25
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Q: Inverse of the standard-deviation
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Q: If the independent variable increases what happens to the dependent variable
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Q: 2 examples how the theory of probability is applied in real life situations
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Q: How do 1 Solve for quartiles in a grouped data
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Q: What is the variance of 13 16 18 21 23 25 26 31
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Q: If one outlier is excluded from a data set what must happen to the median
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Q: What is the Mean median and mode of 30 164 119 145 119 30 72 147 5 78
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Q: Probability of two coins landing on tails
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Q: A grouped frequency distribution is used when the range of data values is relatively small. True or false
2 answers
Q: Statistics HELP Electrical problems affect about 14 percent of new cars an automobile mechanic conducts diagnostic tests on 128 new cars. Describe the sampling distribution for the sample proportion
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Q: Mode of a moderately skewed distribution with the median and the mean given
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Q: 5 red candies 3 blue candies 4 yellow candies What is the probability of getting a red candy
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Q: What order are these numbers in 854917632
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Q: If a die is rolled one time find the probability of getting a number greater than 2
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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: When you flip a coin what is the probability that it will come uo tails
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Q: Why mean and standard deviation are used for inferential statistics
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Q: What are the advantages and disadvantages of deviation from statistical norms
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Q: Are the median and the mean always the same value
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Q: What is the median of these numbers 4 4 5 6 6 8 7 8
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Q: What is the difference between time series and regression analysis
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Q: If a number is chosen at random from the numbers 1 to 20 inclusive what is the probability a prime will be picked
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Q: Way to show data that resembles a tree
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Q: What was probably the single desire
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Q: What is approximate probability that a human offspring will be female
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Q: Which city is the most developed city in the world
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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
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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: What is the sample space of tossing 5 coins
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Q: If yellow equals one fourth what would the probability of spinning a yellow 50 times
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Q: What condition can the phi-coefficient be used to measure effect size for a chi-square test fot independence
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Q: What person would be LEAST likely to have a high median income
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Q: What are the disadvantages of least square method
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Q: Factors that determine sample size
1 answer
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