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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: How do you you arrange 3 quarters 4 dimes and 2 nickels that are indistinguishable in a row
2 answers
Q: What does it mean when positive predictive value of diagnostic test is 100 percent
1 answer
Q: What happens to the sample mean as the sample size increases
1 answer
Q: Can you use the formulas for a probability distribution to calculate parameters for a binomial probability distribution or can you just use the given formulas for a binomial probability distribution
1 answer
Q: What can be done to reduce bias in sampling
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Q: Why does it make sense to have 120th percentile of a data set
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Q: How many permutations can be formed from the word statistics
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Q: Which conditions must be met to conduct a test for the difference in two sample means
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Q: Is a z-score of 2.9 very high
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Q: What is the probability of observing exactly one 3 when rolling a fair die five times
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Q: Is pants size a continuous variable
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Q: When the sample size and sample standard deviation remain the same a 99 percent confidence interval for a population mean will be narrower than the 95 percent confidence interval for the mean
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Q: How can government officials use the crime statistics data from the 1970's to predict crime twenty years later
1 answer
Q: Cumulative or cummulative
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Q: What proportion of a normal distribution is located between the mean and z-0.40
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Q: Which measure of central tendency can be calculated for both quantitative data and for qualitative data
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Q: A pack of cards is shuffled and one is drawn out at random 80 times what is the probability of drawing a spade
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Q: What is the probability of an impossible event if zero is empirical
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Q: What is the mathematical equation to equal 70 using each of the numbers 1 4 8 and 9 only once
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Q: How do you find probabilty of negative z score
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Q: What is the correct answer in a multiple-choice question is likely to be
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Q: What are the advantages and disadvantages of coefficient of variation
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Q: How many red sixes in a pack of 52 cards
2 answers
Q: When there is a curved line on a graph what type of relationship there is between the dependent variable and the independent variable
1 answer
Q: What is an inherent problem in using secondary sources of data is
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Q: What is the probability that three F2 seed chosen at random will include at least one yellow seed
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Q: How many five digit whole numbers can be made
1 answer
Q: What percentage of the normally distributed population lies within the plus or minus one standard deviation of the population mean
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Q: What measures are not affected by outliers
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Q: What should be the ideal standard deviation for a process
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Q: What is the geometric mean of 5 and 320
1 answer
Q: Why it is important to find the shape of data distribution before computing descriptive statistics
1 answer
Q: What is the set of possible outcomes for an experiment called
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Q: What is the shape of normal probability curve
1 answer
Q: What is the z score for 0.9678
1 answer
Q: What is the lowest acceptable probability number beyond which it would considered impossible
1 answer
Q: How many digits are there from 1 to 400
1 answer
Q: Is a sample a number describing some characteristic of a statistic
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Q: Is it better to use range or mean absolute deviation when describing any distribution
1 answer
Q: How many permutations of 5 letter can be made without any letters being repeated
1 answer
Q: What kind of research is needed to establish a cause-and-effect relationship between two variables
1 answer
Q: Should make the graph reliable
1 answer
Q: What is 2k rule
1 answer
Q: What if you lost your nso imo roll number
1 answer
Q: What is the probability of a sum of 5 being rolled if you rolled a pair of dice
1 answer
Q: What is the probability of rolling a 3 or a 4
3 answers
Q: What is the probability of getting a seven of spades
4 answers
Q: What is the value of a digit as determined by its position in a number
2 answers
Q: How many hex digits are required to represent decimal numbers up to 1 million.proof the answer
1 answer
Q: How many three digit combinations can be formed using numbers 1234
1 answer
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