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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 is the difference between absolute deviation and relative deviation
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Q: What are the differences between a two sample t-test and ANOVA hypothesis testing
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Q: How do you round 4.89897949 to one decimal place
2 answers
Q: What is the probability that a person chosen at random was born on a Saturday or Sunday
1 answer
Q: If you draw a card from a normal deck of cards what is the probabiltiy of not drawing a red jack
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Q: What are the two major areas of statistics
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Q: When to use t-test
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Q: Two variables are said to display correlation if
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Q: The descriptive statistic that estimates the typical distance of any score from the mean is
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Q: How many straight flushes in a deck of 52 playing cards
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Q: Throw a dice and toss a coin what is the probability that a number less than 3 and a tail result
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Q: What does fair means in probability
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Q: What is quantitative data analysis
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Q: Is the best-fit line helpful in estimating values of data points
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Q: What does the squiggly line mean on the y-axis of a graph and why do you use it
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Q: Set of ordered pair as a function
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Q: When an urn contains 12 red balls 153 blue balls 2 black balls 47 white balls and no green balls What is the probability you do not draw any ball at all
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Q: Define conditional probability with an example
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Q: What type of error or factor is the leading cause of accidents
3 answers
Q: Is a quarter most likely to be on heads or tails after a flip
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Q: What was the motivation for introducing the Gamma distribution
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Q: What are the five methods for collecting data
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Q: What is numeric x in statistics
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Q: Methods of presenting data in statistics
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Q: What is inductive analysis
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Q: The s2 statistic is used to test to test whether the assumption of normality is reasonable for a given population distribution The sample consists of 5000 observations and is divided into 6 category
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Q: What is the definition of quantitative and qualitative
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Q: If you select a large enough sample size can you reject any null hypothesis
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Q: Suppose a normal random variable has a mean of 72 inches and a standard deviation of 2 inches Suppose the random variable X measures the height of adult males in a certain city One may therefore con
1 answer
Q: What is the probability of getting a red card from a deck of cards
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Q: Examples of analog data
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Q: What is the difference between null hypothesis and research questions
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Q: What type of graph is best suited for displaying the percentages of the number of students playing different instruments in a school band
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Q: If 3 coins are tossed simultaneously the probability of getting at least 1head is
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Q: Describe how the sample size affects the standard error
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Q: Is Gender nominal or ordinal
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Q: Is age qualitative or quantitative data
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Q: What is the null hypothesis tested by an ANOVA
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Q: What is the probability that a couple with four children have atleast one girl
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Q: Difference between chi square and Anova
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Q: If two events are mutually exclusive what is the probability that both occur at the same time
1 answer
Q: What are the units of measurement for the standard error of mean
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Q: What is another name for the regression line
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Q: The interval notation for the interval of real numbers
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Q: The sum of two consecutive even number is 54 find the numbers
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Q: What is inferential data
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Q: Can normal distribution be applied on discrete data
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Q: Do you need more than 10 observations in linear regression
1 answer
Q: Why measures of dispersion are important along with measures of central tendency to understand the nature of the data
1 answer
Q: What graphs use vertical or horizontal bars to make comparisons
1 answer
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