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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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Q: What z-score represents the 99th percentile
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Q: Is year is a ratio scale
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Q: What does format error mean
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Q: The three characteristics that describe a set of numerical data are
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Q: What is the mode when you have three different numbers all repeated twice
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Q: You randomly select 500 students and observe that 85 of them smoke Estimate the probability that a randomly selected student smokes
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Q: What is your chance of getting a diamond out of 52 cards
3 answers
Q: A zero population correlation coefficient between a pair of random variables means that there is no linear relationship between the random variables True or false
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Q: What is the difference between a graph and a diagram
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Q: What is the probability of drawing a queen or a club from a deck of cards
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Q: Given a standard normal distriution find the area under the curve which lies to the left of z equals 1.43
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Q: What are the last two digits of 5 to power of 347
1 answer
Q: A 12 sided dice numbered 1-12 is rolled find the probability that an odd number or a number less than four was obtained
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Q: Can you use spss to analyze Data collected on Likert scale
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Q: What is a research technique that uses the grouped data from several different studies.
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Q: What are the Advantage and disadvantage of purposive sampling
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Q: Is yearly income a continuous variable or a discrete variable
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Q: What is 2 thirds times 4
5 answers
Q: What does 5th percentile crash test dummy means
1 answer
Q: What is The probability of being born on 1st of January
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Q: Jamie has a bucket with a total of 25 blocks in it 5 of the blocks are red and 7 are green and 8 are blue and 5 are yellow If he randomly draws one block out what are the odds that it is blue
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Q: How do you change degree into radian
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Q: What is a difference between F statistics F distribution
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Q: Why there are an infinite number of normal distributions
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Q: What is the definition of a systematic type of sampling
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Q: What is the probability that the birthdays of five persons chosen at random will fall in twelve different calendar months
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Q: Advantages and disadvantages of Thurstone scale
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Q: What is the probability the human offspring will be female
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Q: What does NaN mean on a calculator
2 answers
Q: What are the advantages and disadvantages of random sampling
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Q: Half of one third is one sixth
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Q: What do you do when you have 2 numbers in the middle for median
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Q: What are the major steps in social research
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Q: Throw two dice Let A be the event that the sum of the resulting numbers is 11 and B be the event that one of the dice shows a 4 Events A and B are
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Q: A single die is rolled one time Find the probability of rolling a number that is odd and less than 4
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Q: Convert 0.35 hours to minutes Round answers to the nearest hundredth
1 answer
Q: How many 3 digit codes can be formed if the numbers cannot start with 0 or 1
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Q: The purpose of statistical inference is to provide information about the
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Q: Difference between classical approach and relative approach of probability with example
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Q: What is used for independent event that multiply the number of outcomes for each event
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Q: How should I construct a confidence interval for the population proportion p with n equals 144 and x equals 82 with a 90 percent confidence level
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Q: True or false a distribution of sample means is normally distributed with a mean equal to the population mean and standard deviation equal to the standard error of the mean
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Q: How you would know what variables are positively linearly correlated
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Q: Can random error be minimized
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Q: What does a t-test tell you
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Q: What is it called when a sample doesn't represent the population being polled
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Q: What does a large F-statistic mean
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Q: What is the standard deviation of these six scores 51 10 19 32 23 47 67
1 answer
Q: What is the sample space of the experiment when a number cube is rolled once
2 answers
Q: The weight of medium-sized tomatoes selected at random from a bin at the local supermarket is a random variable with mean variable with mean 10 ounces and standard deviation 1 once
1 answer
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