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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 compute the probability Y and gt you given a random variable Y has a normal distribution with mean m and variance s2.
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Q: How many different ways can the letters of committee be arranged
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Q: If the coefficient of determination for a data set containing 12 points is 0.5 6 of the data points must lie on the regression line for the data set.
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Q: What is True about mutually exclusive events
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Q: In a company there are 11 executives: six women five men. Four are selected at attend a management seminar. Find the probability that all four selected are men.
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Q: Explain what is meant when we say "data Vary". How does this variability affect the results of statistical analysis
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Q: What is the value of the underlined digit in 75.046
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Q: How data collected in case study method
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Q: When the production manager finds the average life of her battery-lifetime data, it is an example of what phase of inferential statisticsA. Data OrganizationB. Probability-based Inference C. Data-AnalysisD. Data Gathering
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Q: Is it possible for a coefficient of variation to be negative Explain.
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Q: Is it possible for a coefficient of variation of a set of data to be zero Explain.
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Q: What does a correlation of -0.9 mean'
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Q: In a school, 22% of the students are sixth graders. What is the probability that a randomly chosen student will not be a sixth grader
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Q: Measures of Central Tendency
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Q: What is the main reason for using a data table to collect data
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Q: what- how far does a point on a rolling pin travel after one complete revolution if the rolling pin has a radius of 3.8 centimeters
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Q: (b)For a set of numbers 1,4,7. Find population mean and Variance. Draw up frequency distributions of means of all possible samples of size 3 when sampling is carried out with replacement. Find mean and variance of distribution
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Q: A particular fruit's weights are normally distributed, with a mean of 298 grams and a standard deviation of 13 grams.If you pick one fruit at random, what is the probability that it will weigh between 262 grams and 269 grams
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Q: Which best describes probability
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Q: Which of the following is an example of a qualitative data a) there are seven books b) she has three classesc)the baby rabbits are sleepy d) the fish swims
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Q: A normal distribution has a mean of µ = 50 with σ = 10. What proportion of the scores in this distribution are greater than X = 65
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Q: Andy has two samples of liquids. Sample A has a pH of 4, and sample B has a pH of 6. What can Andy conclude about these two samplesSample A is , and sample B is
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Q: What is the probability of picking a card with a vowel on it from a box of cards in which each letter of alphabet is written on a card
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Q: A bag contains 3 blue marbles 7 red marbles and 5 yellow marbles. If Joe picks 1 marble from the bag at random what is the probability that it will be blue
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Q: A bag contains 3 red marbles 5 blue marbles 8 yellow marbles and 4 black marbles what is the theoretical probability of randomly picking each color marble
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Q: What is the range of this data set 64 76 46 88 88 43 99 50 55
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Q: What is the link between the characteristic function of a discrete probability distribution and its discrete Fourier transform
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Q: What is the dress code for an actuary
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Q: What are the uses of statistics
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Q: How can you find the minimum of a function
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Q: What is the probability that the sequence will be Heads-Tails-Heads if you toss a coin 3 times
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Q: Why is strata called homogenous in stratified sampling
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Q: Why is the mean the standard partner of the standard deviation
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Q: Explain the difference between arithmetic mean and weighted mean
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Q: How many combinations of 5 numbers are there in 55 numbers
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Q: What are the odds of being born and dying on the same calendar day
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Q: If a student guesses on all 5 questions on a tru-false exam what is the probability that he or she get them all right
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Q: What is the relationship between the binomial expansion and binomial distribution
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Q: How can you determine the probability when x equals 2 in a binomial situation where n equals 7 and pie equals 0.25
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Q: What is a cumulative frequency distribution
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Q: What is probability
4 answers
Q: How many even 3-digit numbers can be formed from the digits 1 2 5 6 9 if each digit can be used only once
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Q: If person A can hit a target 6 times in 7 shots and B can hit it 4 times in 5 and C can hit it 3 times in 4 then what is the probability the target will be hit exactly twice if A B and C take one shot
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Q: What is a linear relationship
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Q: Are one-third of one-half of these questions from five-sixths of the intelligent population
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Q: What is the median
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Q: What kind of graph is used to compare data that does not change continuously
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Q: What is the definition of theoretical probability
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Q: What is the smallest number of people in a room where the probability of two of them having the same birthday is at least 50 percent
1 answer
Q: To draw or plot the Points named by certain numbers or ordered pairs on a number line or coordinate plane
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