Calculus and Above

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You want to obtain a sample to estimate how much parents
You want to obtain a sample to estimate how much parents spend on their kids birthday parties. Based on previous study, you believe the population standard deviation is approximately σ = 37.8 dollars.… read more
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1. Normal Distributions: Finding Values Data from a state
1. Normal Distributions: Finding ValuesData from a state indicate that scores on the SAT test are normally distributed with a mean of 1120 and a standard deviation of 200. Scores on the ACT test are n… read more
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3. Calculate the mean, median, mode, range, variance, and
3. Calculate the mean, median, mode, range, variance, and standard deviation for this data set: 2, 1, 4, 5, 2, 2, 3, 1, 5, 4 a. Mean (1 pt): b. Median (1 pt): c. Mode (1 pt): d. Range (1 pt): e. Varia… read more
rajeevanpillai
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A study was conducted on students from a particular high
A study was conducted on students from a particular high school over the last 8 years. The following information was found regarding standardized tests used for college admitance. Scores on the SAT te… read more
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1) Identify each of the following as examples of nominal, ordinal,
1) Identify each of the following as examples of nominal, ordinal, interval, or ratio scales of measurement. 1. A poll of registered voters in Florida asking wich candidate they support 2. The lenght … read more
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Identify each of the following as examples of nominal, ordinal,
Identify each of the following as examples of nominal, ordinal, interval, or ratio scales of measurement. (4 points each) 1.A poll of registered voters in Florida asking which candidate they support 2… read more
SusanAthena
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1) Identify each of the following as examples of nominal, ordinal,
1) Identify each of the following as examples of nominal, ordinal, interval, or ratio scales of measurement. 1. A poll of registered voters in Florida asking wich candidate they support 2. The lenght … read more
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Let x be a random variable representing the length of a Atlantic
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For a particular sample of 80 scores on a psychology exam,
For a particular sample of 80 scores on a psychology exam, the following results were obtained. First quartile = 65 Third quartile = 98 Standard deviation = 8 Range = 56 Mean = 83 Median = 81 Mode = 5… read more
Trigeoscal
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For Mr. Glenn G. Only Comparing Variations: 1. For the
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1) (A) Classify the following as an example of nominal, ordinal,
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First quartile = 67 Third quartile = 91 Standard deviation
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For Osbert12: Actual time (in seconds) recorded when statistic
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For a particular sample of 63 scores on a psychology exam,
For a particular sample of 63 scores on a psychology exam, the following results were obtained. First quartile = 47 Third quartile = 81 Standard deviation = 11 Range = 68 Mean = 70 Median = 71 Mode = … read more
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Hi Osbert, you answered my statistics questions last week.
Hi Osbert, you answered my statistics questions last week. I want to give you this one too. I will pay $35. If you want to do this one, then please start now. I will create a question at the main page… read more
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1. For a particular sample of 68 scores on a psychology exam,
1. For a particular sample of 68 scores on a psychology exam, the following results were obtained. First quartile = 57 Third quartile = 89 Standard deviation = 7 Range = 60 Mean = 70 Median = 73 Mode … read more
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1. Suppose we have a set of blood pressures with a mean of
1. Suppose we have a set of blood pressures with a mean of 80 Diastolic, and a sample standard deviation of 10 points. Assuming a normal distribution of Diastolic blood pressures, between what two val… read more
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1. Please show all of your work when answering the following:
1. Please show all of your work when answering the following: I. Use Chebyshev's theorem to find what percent of the values will fall between 166 and 346 for a data set with a mean of 256 and standard… read more
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