What is central tendency? Explain three important measures of central tendency? • Measures of central tendency are scores that represent the center of the distribution. Three of the most common measures of central tendency are: – • Mean Median Mode – – The Mean The mean is the arithmetic average of the scores. – Mean is the average of the scores in a distribution _ X = _________ i N Σ Xi Mean Example Exam Scores 75 91 82 78 72 94 68 88 89 75 ΣX =sum all scores
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Ratios and Financial Planning at East Coast Yachts | Yacht Industry Ratios | | | Lower Quartile | Median | Upper Quartile | Current ratio | 0.50 | 1.43 | 1.89 | Quick ratio | 0.21 | 0.38 | 0.62 | Total asset turnover | 0.68 | 0.85 | 1.38 | Inventory turnover | 4.89 | 6.15 | 10.89 | Receivables turnover | 6.27 | 9.82 | 14.11 | Debt ratio | 0.44 | 0.52 | 0.61 | Debt-equity ratio | 0.79 | 1.08 | 1.56 | Equity multiplier | 1.79 | 2.08 | 2.56 | Interest coverage
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The euro crisis Mario Draghi’s premature canonisation Jan 15th 2013‚ 15:15 by R.A. | WASHINGTON ONE additional point related to the previous post: I find it shocking how readily we all seem to be accepting the European Central Bank’s inaction on euro-zone economic weakness. Some perspective is in order. Real euro-area output is at roughly the level of the end of 2006 and it is declining. The euro-area economy hasn’t grown since the third quarter of 2011. Total employment is below the level first
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How to do a cephalic blood draw on a dog As a veterinary assistant‚ it is very important to know how to do a cephalic blood draw on a dog. The Cephalic vein is located right below the elbow on the top part of the leg making it the quickest and easiest location to obtain a blood sample from. These blood samples are used to run diagnostic tests‚ playing a large role in helping a veterinarian diagnosing any present illness as well as preventing any possible health problems in the future. In order
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exactly to the one-cup line‚ then spread the contents on a large plate‚ and count the raisins. The 13 students who chose Kellogg’s Raisin Bran obtained the results shown below: 23 33 44 36 29 42 31 33 61 36 34 23 24 • Calculate the mean‚ median‚ and mode. Is the distribution skewed to the left or to the right? Mean: 34.5‚ Mode: 23‚33‚36‚
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measurement difference as per the size-measurement specification given on variable chart in the period of that hour. ✓ After the five pieces are inspected‚ find out the median and range of these five readings by the following method. o Arrange the data in ascending order and write down the third no. in the median array for that particular hour. o To calculate range note down the difference between the maximum reading and minimum reading of that particular hour. Write it down
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Presentation Teresa Yurkunas Texas‚ State and Local Government Pols: 2312 01/25/2015 1 Data Analysis Information 1. Has the average median income for Texas increased or decreased (percentage change) from 2010-2011 to 2012-2013? The income for the state of Texas has increased with a 4.4 percent change from 2010-2011 to 2012-2013. 2. By how much did Texas’ average median income increase or decrease (percentage change) from 2010-2011 to 2012-2013? Texas had an average income of $50‚649 from 2010-2011
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Closed → Vertebrates • Pump • Vessels • Circulatory fluid 2 Circulatory system - Open • Insects and some molluscs • Blood pumped by heart → blood spaces • Sinuses • Blood in direct contact with tissues • Returns to heart via open veins • No control 3 Circulation in vertebrates 4 Double circulation • Blood moves through heart 2x during a circuit – Lungs – Body – Low pressure from lungs‚ • Birds • Warm blooded creatures • High metabolic rate – Requires good
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season. a. Select the variable team salary and find the mean‚ median‚ and the standard deviation. b. Select the variable that refers to the age the stadium was built. (Hint: Subtract the year in which the stadium was built from the current year to find the stadium age and work with that variable.) Find the mean‚ median‚ and the standard deviation. c. Select the variable that refers to the seating capacity of the stadium. Find the mean‚ median‚ and the standard deviation. Solution The calculations
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The question: To investigate if there is evidence to suggest that the two operations brick and tile have a difference in accident rates. This type of question involves analysing the data for a difference‚ and so tests such as an equal variance test‚ a normality test and a Mann Whitney test will be undertaken. The meaning and the significance of these tests will be explained and justified later on in the report. Hypothesis Testing: The null hypothesis (Ho) for this investigation is that
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