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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 Type of sampling is used for estimating population
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Q: The sum of two numbers is 20 One number is three times as large as the second number What are the two numbers
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Q: How do you determine Q1 and Q3 in quartile deviation
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Q: Calculating quartile deviation for grouped and ungrouped data
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Q: The probability of event A occurring given event B has occurred is an example of
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Q: How many hearts are in a stack of 52 cards
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Q: How many marbles are there in the world
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Q: Three digit numbers can be formed from 000 to 999
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Q: What is a consecutive digit
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Q: What is the purpose of snowball sampling
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Q: What is the probability of drawing 2 hearts and then a spade in that order from a deck of 52 cards
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Q: What are the advantages of time sampling
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Q: What is the standard deviation of the following data set 8 9 9 9 10 11 11 12
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Q: Statistics that are used to interpret data and draw conclusions are called
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Q: What set of numbers has a mean of 10
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Q: Which term is defined as the chance that a given event will occur
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Q: Is a parameter a measurable characteristic of a sample
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Q: If there are three coins and each is flipped once how many possible outcomes are there
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Q: The likelihood of a specific outcome is a
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Q: What is conditional expectation of 2 uncorrelated random variables-is it equal to unconditional expectation
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Q: How do you calculate coins
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Q: If 50 people are chosen at random what is the probability that at least two of them have their birthday on the same day
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Q: Why use chi-square
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Q: A die is rolled Find the odds for rolling a 5
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Q: What are the odds against drawing a card from an ordinary deck of cards and getting a spade
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Q: Is the mean 50 percentile of any normal distribution
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Q: Scores on an examination are assumed to be normally
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Q: For a set of 100 observations with a mean of 46 and a standard deviation of 0 What is the value of the smallest observation in the set
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Q: What is the Sx in statistics
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Q: If there are 12 possible outcomes what is the lowest probability that will still make an outcome likely
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Q: A numerical value calculated for a sample is called a
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Q: Drawing 2 cards that are all 8 from a deck of cards
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Q: Normal distribution as limiting form of binomial
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Q: What is used to display data from frequency distribution
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Q: Sam had 40 marbles he lost 15 percent of them how many does he have left
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Q: If you have two dice how many products appear
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Q: On a dice which number is opposite 3
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Q: What are the importance of statistics to banking and finance
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Q: A pack of cards is shuffled and one is drawn at random this happens a hundred times how many times would there be a diamond
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Q: 8 marbles are exactly alike except that one is slightly heavier than the others how do you determine the heavier marble in 2 weighings
1 answer
Q: What is the difference in primary and secondary evidence
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Q: What is the proportion formula
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Q: What is a graphical representation of data
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Q: What expression using 1234 only once to equal 34
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Q: A biased spinner has the numbers 1 2 3 4 what is the probability of getting a 4
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Q: What 4 digit number becomes reversed when mul tiplied by 9
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Q: What is the difference between usability testing and user interface testing
1 answer
Q: Can probability be negative
1 answer
Q: What does it mean if you black out at random times
1 answer
Q: What is a possible outcome for a protostar that does no have enough material
2 answers
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