important Greek financial institution. The data we gathered cover the period from 1 January 2008 until 31 December 2010‚ and obviously the frequency of the data is daily. Table 1 provides a multitude of informative key descriptive statistics. Table 1. Descriptive statistics of the 5 Year CDS spreads of (i) a sovereign‚ Greece‚ and (ii) a financial institution‚ Alpha Bank. All numbers are in basis points. | Spread_Greece | Spread_AlphaBank | Mean | 298.419 | 468.322 | Median | 162.36 | 445.32
Premium Statistical hypothesis testing Statistics Regression analysis
Medical Statistics Practical 1 (IBM—SPSS – Statistics) IBM SPSS Statistics version 20 [SPSS]: IBM SPSS [Statistical Package for the Social Sciences] formerly called SPSS is a statistical software. There are several versions but we will use version 20. During the practical sessions you will use SPSS to define variables‚ enter data and carry out descriptive (Frequencies and Percentages‚ Mean +/- SD) and Inferential statistics (Chi-Square‚ ttest‚ etc.) Where can I get SPSS? You will need to
Premium SPSS Variable Decimal
Basic Business Statistics 11th Edition Chapter 1 Introduction and Data Collection Basic Business Statistics‚ 11e © 2009 Prentice-Hall‚ Inc. Chap 1-1 Learning Objectives In this chapter you learn: How Statistics is used in business The sources of data used in business The types of data used in business The basics of Microsoft Excel The basics of Minitab Basic Business Statistics‚ 11e © 2009 Prentice-Hall‚ Inc.. Chap 1-2 Why Learn Statistics? So you are
Premium Level of measurement Statistics
Home Work (Chapter One) 1. Define each of the following statistical terms: a. Descriptive statistics b. Statistical inference c. Population d. Sample 2. Explain whether each of the following represents a population or a sample. a. Number of goals scored by all teams of champion’s league. b. Cars owned by 200 families in Dammam. c. Monthly salaries of all employees of a company. d. Yield of tomatoes per ha for 20 plots of land. e
Premium Random variable Probability theory Randomness
Brief Introduction: AJ Davis is a department store chain‚ which has many credit customers and want to find out more information about these customers. AJ Davis has complied a sample of 50 credit customers with data selected in the following variables: Location‚ Income (in $1‚000’s)‚ Size (Number of people living in the household)‚ Years (number of years the customer has lived in the current location)‚ and Credit Balance (customers current credit card balance on the store’s credit car‚ in $)
Premium Statistical hypothesis testing Statistics Statistical inference
960 | |0.01 |2.33 |2.575 | Part A. Single-Sample Inference 1. Test Statistic for the Population Mean ((): Large Sample Test H0: ( = (0 H1: ( ( (0 Test statistic: [pic]‚ where (0 = hypothesized value of ( Note that: Sample mean = [pic] Mean of the sample mean: E([pic]) = ( Standard error of [pic] = [pic] Example
Premium Variance Statistical hypothesis testing Sample size
employees (c) Preference for beverages and (d) Amount spent on drinks. This case study is used: (1) To understand the concept and practical applications of scales of measurement; (2) To discuss the implications of scales in Quantitative Methods/Statistics for Management. This case study is useful for understanding ‘measures of central tendencies •
Premium Decision theory Statistics Statistical hypothesis testing
(That is‚ does the average cycle length under these conditions differ significantly from 24 hours?) (a) Use the steps of hypothesis testing. (b) Sketch the distributions involved‚ (c) Explain your answer to someone who has never taken a course in statistics. x | | | | | | | | | | | 25 | 0 | 0 | | | | | | | | 27 | 2 | 4 | | | | | | | | 25 | 0 | 0 | | | | | | | | 23 | -2 | 4 | | | | | | | | 24 | -1 | 1 | | | | | | | | 25 | 0 | 0 | | | | | |
Premium Statistics Statistical hypothesis testing Statistical significance
increase by 0.0953 billion dollars (c) Comment on the significance of model (α = 0.05) Hypotheses: H0: β1 =0 H1 : β1 ≠ 0 Decision rule: reject H0‚ if |tcalc|> |t(α/2‚ n-k-1)| Where tcrit = t (0.025‚ 98) =1.9845 Test statistic: t = = = 48.368 Decision: Reject H0 because t calc > t crit Conclusion: There is sufficient evidence to conclude that there is significant relationship between disposable personal income and PCE at 5% level of significance. (d) The
Premium Regression analysis
understandable form. The purpose of this paper is to Identify the types of statistical data collected in a workplace setting‚ including the information is collected‚ and to discuss the advantages of accurate interpretation of data. When explaining statistics in a work place a little background must first explain a little about the company. First Coast Service Option is a contracted company for Medicare. Medicare (CMS) is a federal program in the United States of America that is a health insurance program
Premium Level of measurement Measurement Scientific method