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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 Happens To The Width Of The Confidence Interval If You Decrease The Confidence Level Decrease The Sample Size or Decrease the margin of error
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Q: How many of the numbers from 10 through 98 have the sum of their digits equal to a perfect and 8203 square
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Q: What is she binomial probability distribution is used with
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Q: What is a probability that when a couple has three children at least one of them is a boy
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Q: What conditions are necessary in order to use a test to test the differences between two population means
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Q: If you are dealt 5 cards from a shuffled deck of 52 cards find the probability of getting two queens and 3 kings
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Q: How do I set alpha in statistics
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Q: In the calculation of the arithmetic mean for grouped data which value is used to represent all the values in a particular class
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Q: How many skateboards are sold in US per year
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Q: What is the probability of drawing a 6-inch pair of pliers from the first basket without looking
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Q: If correlation between x and y is zero. that means the variables are independent
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Q: What data cant be measured but divided into groups
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Q: What is the probability of at least one head
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Q: What does probability measures
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Q: If you were trying to determine how much you grew over certain period of time what would be the best graph to use
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Q: In the statistical approach data is collected and used to test what
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Q: What is age of car driven Qualitative or Quantitative
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Q: When two events are independent the probability that one event occurs in no way affects the probability of the other event occurring true or false
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Q: How extreme value affect mean
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Q: What is The set of all possible outcomes in a probability experiment is the
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Q: What level of measurement is ethnicity
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Q: What Conditions necessary for a measure of variation to have a positive value
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Q: Why is the range always greater than the IQR
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Q: Is the students age qualitative or quantitative
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Q: What is statistical data such as census numbers
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Q: Is not a characteristics of a normal distribution.
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Q: In the Empirical Rule of data will fall in with two standard deviation.
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Q: If the total area of a dartboard is 40000 mm2 and the area of the second ring is 17500 mm2 what is the probability of landing in that second ring
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Q: What is initial temperature mean
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Q: Is favourite sport ordinal or nominal
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Q: What are four Pizza Places in Lorena and the management must assign a manager to each place. (a) If four people are available in how many ways can they be assigned (b) If seven people are available i
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Q: Why is characteristics important in the field of science
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Q: Is shoe size continuous data
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Q: What is the most commonly used statistical index of variability in a group of scores is the
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Q: What is the probability that the spinner and number cube both land on 2
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Q: If a great many data values cluster to the left of a data distribution which then tails off to the right the distribution is referred to as
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Q: What is the Z value for 90 percent confidence interval estimation
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Q: What is the probability of observing a sample mean of 18 or more from a sample size of 35
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Q: If an event has a probability of 1 then it is
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Q: What kind of variable is sport in statistics
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Q: What is the probability of drawing a face card or drawing an 8
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Q: What is the probability of drawing a black card or drawing a face card (jack king or queen)
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Q: What distribution would be most appropriate Which distribution would be most appropriate if one wif one wanted to find the probability of selecting three Republicans from a sample of 15 politicians
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Q: What is the probability a well shuffled pack of 52 cards a card is drawn at random find the probability that it is either a heart or a queen
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Q: When you roll a 6 sided die with faces numbered 1 through 6 and toss a coin what is the probability of rolling a 5 and getting tails
2 answers
Q: Is it possible for a coefficient of variation to be negative Explain.
1 answer
Q: Is it possible for a coefficient of variation of a set of data to be zero Explain.
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Q: What overall death rates in the US have declined over the past 100 years
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Q: In a distribution the frequency of a class is replaced with a proportion or percent
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Q: If a red suit is drawn from an ordinary deck of cards what is the probability that the card is a diamond
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