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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 requirements are necessary for a normal probability distibution to be a standard normal probability distribution
1 answer
Q: What is the benefit of knowing 3 standard deviations above and below the mean of data from a process
1 answer
Q: How can a quadratic function have both a maximum and minimum point
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Q: What is the probability of not drawing a spade from a standard deck of cards
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Q: Do identical twins have identical footprints
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Q: Can you figure out the probability of each of the occurrences without drawing the tree diagram
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Q: Is baby weight discrete or continuous
2 answers
Q: How do you find the sample size when given the standard deviation and the mean with a sample value
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Q: What is the probability of drawing a marble that is not white
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Q: What is the probability of flipping a coin 4 times and getting 4 heads
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Q: How many possible outcomes if 3 coins is flipped once
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Q: How do you figure the variance on a group of numbers
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Q: Is there a positive correlation a negative correlation or no correlation between daily newspaper circution and the number of television sets in homes
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Q: Which is better a 005 level of significance or 001 level of significance
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Q: Is the dependent variable discrete or continuous
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Q: What is the probability of spinning a number
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Q: What level of measurement is the number of accidents reported in a given month
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Q: A bag contains 5 green marbles 3 yellow and 2 red marbles. What is the probability of picking three green marbles from the bag without replacement
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Q: What is the probability that a family with 13 children will only have 3 boys
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Q: What graph chart can you use for the drink that freezes the fastest
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Q: What are the 2 conditions that determine a probability distribution
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Q: Which type of graph would best show the number of men and the number women who prefer each flavor of ice cream
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Q: What is the difference between a statistical and a non- statistical question
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Q: How many 3 digit numbers have a digit sum of 27
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Q: What is the difference between random and stratified sample in the survey method
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Q: What is test statistic
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Q: What is 0.18 to the nearest tenth
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Q: Which of the following measures of central tendency can be used at any level of measurement
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Q: What is the probability in a sample space of 98 equally likely events
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Q: What descriptive statistic is not measured in the same units as the data
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Q: What effect increasing only the population standard deviation will have on the width of the confidence interval
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Q: What is The password should contain at least 1 uppercase character
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Q: Why can the number 0.56 be the probability of an event
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Q: When can you say the distribution is considered normal
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Q: What do you if there is two medians
3 answers
Q: Is it possible for the results of the study to be of practical importance even though they are not statistically significant
1 answer
Q: What is the difference between alpha testing and acceptance testing
1 answer
Q: How do you give the probability of a sum
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Q: How do you find the degrees of freedom when using the t distribution to estimate or test the mean of a sample from a single population
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Q: What is the probability of rolling a prime number and flipping a coin and getting tails
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Q: What is the probability of drawing an ace and a face card from a deck of cards on the first two draws from the deck
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Q: How many number cards are in a 52 deck
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Q: What is the probability of rolling an 18 with three dice
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Q: What is the standard error of the mean 8-14-6-9-8-12-4-3-9-9-11-15-6-12-9-8-3-8-9-7
1 answer
Q: How many corners and faces does a round pant bucket have
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Q: What is the probability that at least 2 students in a class of 36 have the same birthday
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Q: Is diet a categorical variable
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Q: What is the probability drawing a black king from a pack of cards
1 answer
Q: What will be the sampling distribution of the mean for a sample size of one
1 answer
Q: What is the smallest fraction possible using these digits 4 8 9
1 answer
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