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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: Which graph is used most in science
1 answer
Q: Two dice are rolled The probability that their sum is at least 9 equals
1 answer
Q: You roll two dice. What is the probability that the sum of the dice is even or the sum of the dice is less than 6
1 answer
Q: How many different three digit numbers can be written using digits from the set 4 5 6 7 or 8 without any repeating digits
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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: How does one eliminate the influence of uncontrolled variables during experimentation
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Q: What is the most controllable method of increasing the precision of or narrowing the confidence interval
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Q: Can frequency distribution contain qualitative data
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Q: What is the MAIN cause of employee sick time and lost productivity in the US
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Q: Difference between random sample and convenience sample
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Q: The standard error of the mean is the standard deviation of the sampling distribution of the sample mean
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Q: The significance test used for testing equality of variances is
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Q: What is numerical range of regression coefficient
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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: Is salary a discrete or continuous variable
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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: Politicians want to have accurate information about public opinion because they can
1 answer
Q: Which event occurs first
2 answers
Q: A marble is selected from a random jar containing 3 red marbles 4 yellow marbles and 2 marbles what are the odds in favor of selecting a red marble
1 answer
Q: What is a event occurs last in the Apology
2 answers
Q: Probability of rolling a 3 twice with 2 rolls on a cube
1 answer
Q: Event A has probability 0.5 event B has probability 0.6 which of the following must be true
1 answer
Q: A whole number consists of the digits 2 4 6 8 and 0 If each digit is used only once how many whole numbers are possible
1 answer
Q: How many sixths make one third
4 answers
Q: What is the number of combinations of 1-6
2 answers
Q: There are no random acts in life
1 answer
Q: What is to use a given data to estimate a value between known values
1 answer
Q: When two balanced dice are rolled there are 36 possible outcomes what is the probability that the sum of the numbers on the dice is 6 or 9
1 answer
Q: What is the probability of obtaining atleast one tail when a coin is flipped six times
1 answer
Q: Which of the following is true about a hypothesis that is proven to be inaccurate
1 answer
Q: Explain what the term relative frequency means
1 answer
Q: What did the teenager yardstick say to its parents
4 answers
Q: A z-score of plus 1.6 represents a value which is how many standard deviations above the mean
1 answer
Q: Three cards are chosen at random from a standard deck of cards without replacement What is the probability of getting 3 aces
1 answer
Q: What are the answers to the 2010 ap statistics free response questions
1 answer
Q: What are the main components of a graph
1 answer
Q: What is the probability of rolling an even number on a die
1 answer
Q: What was the hypothesis that was tested at Woods Lake
1 answer
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