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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: What is the sum of squared deviation
1 answer
Q: How does halving the amount of a sample of an element affect the sample mass
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Q: What is the difference between the upper quartile and the lower quartile called
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Q: How do you calculate outage probability for rician fading
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Q: What is the chemical formula for tetrasulfur dinitride
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Q: What happens if a hypothesis is tested and shown to be false
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Q: If you roll a fair six-sided die 1000 times Out of 1000 rolls how many times do you think the die would come up even
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Q: What statistics are needed to draw a box plot
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Q: Is the Z-test the same as Z-scores
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Q: Who uses box and whisker plots
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Q: What is the difference between a causal relationship and a positive relationship
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Q: If two events are mutually exclusive then they must be dependent
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Q: Formulating testable hypotheses before conducting research is most directly useful for restraining a thinking error known as
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Q: Which measure of central tendency best describes the data set wit an outlier
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Q: Three reasons why samples are used in statistics
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Q: What can probability be written as
2 answers
Q: How would the outlier affect the mean and median of the data
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Q: What is the purpose of a frequency distribution
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Q: Each of 3 people chose a number from 1-10 what is the probability that at least 2 people have the same number
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Q: A spinner a-f what is the probability of the spinner landing on b then landing on a
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Q: How does a sample size impact the standard deviation
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Q: Find the surface area of a sphere of radius 10.5cm
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Q: How many significant digits are in this number 74.30
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Q: A common error where people generalize information to the population based on too small of a sample size
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Q: If you toss a fair coin 250 times about how many times should it land on tails
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Q: Which one is bigger meter or kilometer
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Q: What is the probability of rolling a number greater than 6 on a die
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Q: What is probability of picking a King from a deck of cards
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Q: Is blood pressure a discrete variable
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Q: If a bag contains 3 green marbles 5 blue marbles and 2 yellow marbles find the probability that the marble is blue
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Q: Interpret an r value of 0.92
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Q: What is ss in statistics
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Q: Do Girls often get better grades in math than boys
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Q: What is 6 divided by 52
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Q: If you toss a number cube 600 times what is the most probable number of times you will get a 3
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Q: What is the probability of drawing one joker from a deck of 52 cards
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Q: What happens when a hypothesis is unsupported
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Q: What are 3 names for a combination of 6 kingdoms
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Q: What is the mean median and mode of 5 9 6 6 11 8 4
1 answer
Q: Why is standard deviation better than variance
2 answers
Q: How do you calculate standard deviation on casio fx-991ms
1 answer
Q: What is the the relationship between population and sample parameter and statistic
2 answers
Q: What are the 2 branches of statistics
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Q: Random and systematic errors
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Q: What percent of WAIS scores fall between 85 and 115
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Q: In a study using 9 samples and in which the population variance is unknown the distribution that should be used to calculate confidence intervals is
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Q: What is pure random sampling
1 answer
Q: How are deciles related to percentile
1 answer
Q: When is a t test better than a z score
1 answer
Q: Which measures of central tendency are not affected by extremely low or extremely high values
1 answer
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