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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 set of numbers has a mean of 10
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Q: 3 cards are drawn simultaneously at random from a standard deck Find the probability that all the cards are hearts
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Q: 14 players for a softball team show up for a game How many ways are there to assign the 10 positions by selecting players from the 14 people who show up
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Q: What is the minimum number of respondents required for quantitative research design
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Q: What is the probability of a class running between 51.25 and 51.5 minutes if the uniform distribution is between 50 and 52
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Q: The chance that an event will happen is known as
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Q: Probability of two tetrahedral dice rolled the sum on the upward faces is four
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Q: Which term is defined as the chance that a given event will occur
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Q: In a normal distribution with mean 80 and variance 144 squared what is the probability above 100
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Q: Example of secondary data
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Q: Masks the true relationship between the independent and dependent variables
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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
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Q: If a couple has had 3 boys and wants to have a girl what is their probability of having a girl
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Q: Approximately 10 percent of people are left-handed If two people are selected at random what is the probability that both are right handed
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Q: What is a 0.1 for a two-tailed test
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Q: What Type of sampling is used for estimating population
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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: A committee consisting of 6 people is to be selected from eight parents and four teachers Find the probability of selecting three parents and three teachers
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Q: If a die is rolled 3 times what's the chance of getting atleast one 6
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Q: A negative correlation between peoples physical health and their marital happiness would indicate
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Q: People who frequently work with data are most likely in a
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Q: If sensitivity and specificity remain constant what is the relationship of prevalence to predictive value positive and predictive value negative
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Q: What are 5 numbers with a mean of 12 and a range of 3
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Q: If you throw a dice 6 times What is the chance you would get a 6 on
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Q: How quantitative approach is useful in Mcdonalds
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Q: What does the phrase eco-mode mean
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Q: If you roll a die 60 times about how many times would you expect to get 1
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Q: If 4 coins are tossed what is the probability of getting 3 heads
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Q: If five dice are rolled how many possible outcomes
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Q: On a dice which number is opposite 3
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Q: When a single card is drawn from an ordinary 52 card deck what is the probability of drawing a 3 or a club
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Q: If you have 6 red marbles 3 yellow marbles and 5 green marbles in a bag what is the probability of picking a blue marble out
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Q: What are the importance of statistics to banking and finance
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Q: When finding the probability of two or more events what should you do with the fractions
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Q: At a particular school with 200 male students a play football b play basketball and c play both what is the probability that a randomly selected male student plays neither sport
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Q: What is the probability of rolling two numbers whose sum is 2 equal
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Q: How many combinations of 5 numbers are there in 32 numbers
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Q: Why is thumb not used to palpate for an artery prior to sampling
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Q: Estimate the probability that the next time you ride in a car you will not be delayed because of some car crash blocking the road
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Q: What is the probability of choosing a queen on the second draw if the first was a queen without replacement
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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: 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: What 4 digit number becomes reversed when mul tiplied by 9
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Q: Why use chi-square
1 answer
Q: How do you determine Q1 and Q3 in quartile deviation
1 answer
Q: Calculating quartile deviation for grouped and ungrouped data
1 answer
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