Term Random Variable Definition A variable that takes on different numerical values based on chance Term Discrete Random Variable Definition A random variable that can only assume a finite number of values or an infinite sequence of values such as 0‚1‚2‚3.... Term Continuous Random Variables Definition Random variables that can assume any vallue in an interval. Term Expected Value Definition The mean of a probability distribution. the average value when the experiment
Premium Probability theory Random variable Binomial distribution
Executive Overview‚ Part I The management staff at a hotel located in a popular Caribbean resort area is engaged in planning activities for the next year. Fundamental to any plans made will be the expected occupancy rate of the hotel. The management staff has extracted quarterly occupancy rates for the past 5 years from the hotel records to forecast the occupancy rates for quarters 1‚ 2‚ 3 and 4 of next year. Observing that this is a time series problem‚ we first generated a time series plot of
Premium Management Strategic management Organization
HLT362V Week 1 Homework EX#16 Answers for EXERCISE 16 page 122 (Questions 1- 4 are optional)• Mean and Standard Deviation Exercise 16: Mean and Standard Deviation 1. The researchers analyzed the data they collected as though it were at what level of measurement? a. Nominal b. Ordinal c. Interval/ratio d. Experimental Answer: c. The researchers analyzed the data as though it were at the interval/ratio level since they calculated means (the measure of central tendency that is appropriate
Premium Standard deviation Arithmetic mean Average
stock 2 is a litter flatter than the two above. Justify with descriptive statistics and the histogram tools: Firstly use descriptive statistics to summarise the key features of stock1‚ stock2‚ and stock3 respectively. All the available output options were chosen and labels in the first row were chose as in the Appendix figure 4.1 descriptive statistics. The output are as follows: Figure 1.1 descriptive Statistics for Stock 1‚ 2‚ and 3 Stock 1 Stock 2 Stock 3 Mean
Premium Standard deviation Normal distribution Statistics
This thesis is a collection of three independent essays on the causes and consequences of local elections in non-democratic regimes. The first essay examines the political consequences of local elections on the first democratic election after the fall of an autocratic regime. My theoretical analysis highlights that officials that were appointed by upper levels of government have a stronger incentive to continue to use local patronage networks to signal their alignment to upper levels of government
Premium Election Elections Democracy
Nonparametric Test Education is even more important than ever today for anyone interested in entering the world of employment with either large international corporations‚ or even local vendors serving the community within the area where one lives. In an ongoing effort by our research team to determine if the difference in the wages from our sample population of men and women‚ who have various levels of education‚ does in fact make the difference. We are looking to use an additional test to discover
Premium Statistical hypothesis testing Null hypothesis Statistical significance
Statement #3: The difference in IQ test scores between African Americans and non-Hispanic white Americans can be attributed almost entirely to different patterns of socialization and environmental factors. The history of the race and intelligence controversy concerns and focuses on the historical enlargement of a debate‚ mainly in the United States of America‚ with the indication to potential explanations of group differences in scores on intelligence tests or IQ tests. Also the correlation between
Premium United States Intelligence quotient Intelligence
Crimes are committed by juvenile offenders every day and to gain a better understanding as to why they commit such crimes the trends have to be evaluated. The following statistics are findings made in 2008. These findings will give a clear understanding of the overall decrease in juvenile arrests made‚ touch base on the increase in drug offenses and simple assaults‚ provide implications for juvenile females and members of ethnic and racial minorities‚ examine the increase in arrests of juvenile females
Free Crime
ANOVA and Nonparametric test In the simulation‚ I selected the Kruskal-Wallis test which is used when it is difficult to meet all of the assumptions of ANOVA. The Kruskal-Wallis test is a nonparametric alternative to one way ANOVA. This test is used to compare three or more samples‚ to test the null hypothesis that the different samples in the comparison drawn from the same distribution or from distributions with the same median. Interpretation of the Kruskal-Wallis test is basically similar to
Premium Analysis of variance
A personality test aims to assess aspects of a person’s character that remain stable across situations‚ referred to as their personality. Personality is generally understood as a collection of emotional‚ thought‚ and behavioral patterns unique to a person‚ that is consistent over time. Generally‚ personality tests assess common characteristics for large segments of the population‚ describing people according to a number of dimensions or traits‚ rather than attempting to describe every detail of any
Premium Personality psychology Myers-Briggs Type Indicator