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In a test of the effectiveness of garlic for lowering​
In a test of the effectiveness of garlic for lowering​ cholesterol, 5050 subjects were treated with garlic in a processed tablet form. Cholesterol levels were measured before and after the treatment. … 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) A poll of registered voters in Florida asking which candidate they support The… read more
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I need all the question answed for the math home work i have
I need all the question answed for the math home work i have been scamed how will i know you wont do that?? >Part I: Computation and Short Answer (80 points) Question 1.1. Identify each of the foll… read more
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I need the answers for all these questions, can you help?
I need the answers for all these questions, can you help? Identify each of the following as examples of nominal, ordinal, interval, or ratio scales of measurement. (4 points each) A poll of registered… read more
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1). Assume that a random sample is used to estimate a population
1). Assume that a random sample is used to estimate a population proportion p. Find the margin of error E that corresponds to the given statistics and confidence level. 98% confidence, the sample size… read more
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Examples of nominal, ordinal, or ratio scales of measurement
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 which candidate they support 2. The length … read more
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A set of all possible data values for a subject under consideration is
1. A set of all possible data values for a subject under consideration is called ___. (Points : 5) descriptive statistics a sample a population inferential statistics 2. Which of the following can be … read more
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The mean exam score for 43 male high school students is 22.2
The mean exam score for 43 male high school students is 22.2 and standard deviation 5.4. The mean exam score for 54 female high school students is 21.2 and standard deviation is 5.1 at alpha=0.01 can … read more
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8. The life span of a battery is normally distributed, with
8. The life span of a battery is normally distributed, with a mean of 2300 hours and a standard deviation of 50 hours. What percent of batteries have a life span that is more than 2365 hours? What per… read more
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The number of wins for each team in a league last year are
The number of wins for each team in a league last year are listed. Make a frequency distribution for the data set (use four classes of width 2 starting at 3). Then approximate the population mean and … read more
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You are saving my life here... I have more if you will work
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Psychology students at a college completed the dental anxiety
Psychology students at a college completed the dental anxiety scale questionnaire. Scores on the scale range from 0 (no anxiety) to 20 (extreme). The mean score was 11 and the standard deviation was 3… read more
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Hypothesis tests for the correlation coefficient and the slope
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The following are all 6 quiz scores of a student in a statistics
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**For RRJha** Need your help; questions due tonight at 12 00
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1. Construct a scatter plot using excel for the given data.
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The following set of numbers comprises the entire population.
The following set of numbers comprises the entire population. Find the z-score equivalent to 23. Round the z score to 2 decimal places, round all other values to 4 decimal places. Population: 23, 76, … read more
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Statistics 1. The time spent(in days) waiting for a heart
Statistics 1. The time spent(in days) waiting for a heart transplant in two states for patients with type A+ blood can be approximated by a normal distribution, as shown in the graph to the right. Com… read more
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