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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 is an example of a descriptive variable
1 answer
Q: Why is it so difficult to provide statistical data about the number of Quaternary jobs
1 answer
Q: What is the probability of not rolling divisors of 6 on both dice
2 answers
Q: What is the mean variance and standard deviation for the numbers 2 4 8 2 9 1 7 11 4 7 1 10 1 5
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Q: How many outcomes are in the sample space for the event first to toss a coin and then to shoot a basket
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Q: A scientist measures the heights of 25 oak trees. When he finds the mean of these data which phase of inferential statistics will it repr
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Q: Navy ORM IS A
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Q: What of the following numbers could not be a probability explain. 13 0 89 1 54
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Q: Consider the following data set 55 38 30 66 67 68 44 what is the percentile for data value 55
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Q: A set of four positive integers with a mean of 6 median of 6.5 and a range of 11
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Q: What can 3 numbers be if the lowest number was 11 the range was 13 and the median was 17
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Q: Direct control is when possible extraneous factors are standardized
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Q: In an experiment f is the control variable g is the response variable and h and k are extraneous factors. The specific units of are referred to as the treatments of the experiment.
1 answer
Q: Rose decided to use blocking to deal with extraneous factors in her experiment. If 3 treatments are applied to one of her groups how many treatments should be applied to each of her other groups
1 answer
Q: In an experiment the control variable is a and the response variable is b. Which variable is manipulated or changed
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Q: Maria recorded the effects of doing homework on her intelligence. Which of these is a control variable
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Q: The effect of the time of day a math class is taught on test scores is being examined. Which of these is most likely to be an extraneous factor that would affect test scores
1 answer
Q: In an experiment h is the control variable k is the response variable and l and m are extraneous factors. The specific units of are referred to as the treatments of the experiment
1 answer
Q: Kevin recorded the effects of violent video games on antisocial behavior. Which of these is a response variable
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Q: In an experiment the control variable is x and the response variable is y. Which variable is manipulated or changed
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Q: In an experiment the control variable is p and the response variable is q. Which variable is not manipulated but measured and represents the data being recorded
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Q: Derrick decided to use blocking to deal with extraneous factors in his experiment. If 2 treatments are applied to one of his groups how many treatments should be applied to each of his other groups
1 answer
Q: Jenny recorded the effects of eating spinach on her health. Which of these is a control variable
1 answer
Q: In an experiment the control variable is r and the response variable is s. Which variable is not manipulated but measured and represents the data being recorded
1 answer
Q: The same experiment was conducted 8 times. How many times should the results have been similar for them to be valid
1 answer
Q: Ron decided to use blocking to deal with extraneous factors in his experiment. If 4 treatments are applied to one of his groups how many treatments should be applied to each of his other groups
1 answer
Q: A frequency distribution is a way to describe numerical data categorically
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Q: When representing a frequency distribution with a bar chart which bar will be the tallest
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Q: The bar chart below represents the number of freshmen sophomores juniors and seniors in a high school who have a GPA over 3.8. How many sophomores have a GPA over 3.8
1 answer
Q: Which of these groups of relative frequencies would be best represented by a pie chart
2 answers
Q: If a coin is flipped 5 times and a head comes up 3 times what is the relative frequency of a head coming up
1 answer
Q: If a coin is flipped 5 times and a head comes up 1 time what is the relative frequency of a head coming up
1 answer
Q: When asked their favorite color 9 students said blue 14 students said green 6 students said red and 2 students said orange. Students with which of these favorite colors will be represented by the smal
1 answer
Q: Suppose A and B are independent events. If p a 0.3 and what is
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Q: The mean and standard deviation of a population being sampled are 64 and 6 respectively. If the sample size is 50 what is the standard error of the mean
1 answer
Q: What is the difference between the population and sample regression functions Is this a distinction without difference
1 answer
Q: Which of the following is incorrect Select one a. Probability distribution is used to compute continuous random variables b. Probability distribution equals to one. c. Probability distribution is used
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Q: Critical observationthinking is best demonstrated by which of the following actions
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Q: Sensitive data is always classified
2 answers
Q: In a confidence interval what information does the margin of error provide
1 answer
Q: What is the mean number of leaking tanks in such samples of 15
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Q: If data are organized with several values together the result is
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Q: For a given event what is the result of dividing the number of successful outcomes by the number of possible outcomes
1 answer
Q: The probability that an adversary will exploit a weakness in your operation tempered by the impact to your mission is defined as
2 answers
Q: Data collected in a survey
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Q: Franklin rolls a pair of six-sided fair dice with sides numbered 1 through 6. The probability that the sum of the numbers rolled is either even or a multiple of 5 is . The probability that the sum of
1 answer
Q: Kelsey is asked to find the probability of rolling a composite number on a die. She states that this is a simple event. True or false
4 answers
Q: When did the greatest drop in British imports occur and what event caused that decline
1 answer
Q: The radio station KLUK is a conducting a telephone survey. The survey is conducted by selecting 3 pages at random from the telephone book and then interviewing every person on each of the selected pag
1 answer
Q: How do you solve a systematic sample
1 answer
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