Complex Statistics Problems with Elaborate Answers : Page - 17

Frequency distribution of top-coded number of siblings variableThe first question uses educ and sibs1 (both quantitative variables). educ ranges from 0 to 20 and captures the respondent’s educational attainment in number of years. We recoded sibs into sibs1 where 15 - 34 siblings are top-coded as 15 siblings. Use sibs1 for the rest of this assignment. 1.Generate a frequency table showing the distribution of the top-coded number of sibli...

Course Code   :  STAT101

Course Title   :  Introduction to Statistics

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Task Section A: 1) When we talked on the phone, you mentioned how it is important to check something called ‘normality of distribution’? You specifically mentioned the possibility of the mental health variables being ‘left skewed’ in this sample. Can you explain what is meant by these two terms (in italics), using one of our study variables as an example? [200 words]   2) You also mentioned ‘linearity’...

RankAE FrameworkPaper Summary : Unsupervised Summarization for Chat Logs with Topic-Oriented Ranking and Context-Aware Auto-Encoders People can swiftly absorb crucial information from a large number of chat messages with the help of automatic chat summary. Chat logs, unlike traditional texts, generally feature fragmented and shifting subjects. Furthermore, because these logs contain a large number of elliptical and interrogative words, the ...

Course Code   :  BUS470

Course Title   :  benchmark for data collection

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Internal Existing DataClass, This assignment must be submitted in MS Word. I will not accept multiple submissions under a single assignment tab. Your Excel work must be copied into an MS Word document. This is how the topic 2 assignment will take shape: It is in three sections Internal existing data Internal new data External data For the first section, you can gather quantitative and qualitative data that already exists in your organ...

Course Code   :  MTH410

Course Title   :  Statistics

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Constructing a Frequency Distribution and Calculating the Mean Number of FailuresRental Condition Aardvark Auto Rental rents vehicles. Each day Aardvark Automotive Rental keeps track of whether its SUVs were returned in "failing" condition. Aardvark must use more of its resources to restore each SUV with a "failing" returned condition. Aardvark rents an average of five SUVs each day. The condition of returned SUVs is recorded for many days in ...

A national space agency has developed a test to identify people with the ability to be astronauts. Suppose that one out of every 20,000 people has the ability to be an astronaut and that the test can identify people who have the ability to be an astronaut with 95% accuracy (i.e., 95% of people who pass the test have the ability to be an astronaut and 95% of people who fail the test do not have the ability to be an astronaut). Edwina passes t...

1. Valid measures of probability The values below, which ones could be valid measures of probability? 0 15 -0.74 .09 1.What does it mean if an event has probability ? 2. A coin is flipped three times ? What is the sample space? 3. What is the probability of getting exactly two heads? 4. In a certain game, the probability that the first player will win is 0.96. What does this mean using the frequentist interpretatio...

TaskIn the course assignments you were instructed to access a dataset compatible with supervised machine learning based classification or regression. You are free to explore unsupervised learning as applied to your supervised learning dataset, should you so choose to do so. You will either reuse your dataset from the earlier assignments, or if you want something more interesting, challenging, or just want more experience, you can access a new ...

Course Code   :  PSY3307

Course Title   :  statistics

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Task 1: Effects of Different Study Strategies on College Students' KnowledgeA cognitive psychologist is interested in the effects of different study strategies used by college students. One group of students uses practice tests, one group uses distributed practice, and the third group uses highlighting. When the semester ends, the cognitive psychologist tests each student to obtain a measure of their overall knowledge of the course material....

Estimating the Average Time to Obtain Work Permits for DesignersRSMT 1501 Review for Final Exam Page 1 1. A product manager in a company plans to bring designers from around the world for an ad campaign. To estimate the average time required to obtain work permits for designers, a sample of 36 applicants has taken which has a mean time of 118.2 days. Assume the population standard deviation is 18.1 days. (a) Find the point estimate for the avera...

Theory and Literature ReviewWrite a short research report of around 2000 to 2500 words (excluding tables, figures, references and appendices) in which you will introduce a research question, conduct an econometric analysis using R, present and discuss results, and provide recommendations for policymaking or investing (or any other recommendations relevant to the project). It is important you that you use one or some of the econometric techniqu...

Task:1.  If you have samples of and , in performing the  pooled-variance test, how many degrees of freedom do you have? n = 181 n = 122 You have  degrees of freedom. 2.  Assume there is a sample of , with the sample mean and a sample standard deviation of , and there is  an independent sample of  from another population with a sample mean of and a sample standard deviation In performing the  pooled-varia...

Loading and Plotting the Required Dataset for Identification and ValidationIn Part 1 of the project, Linear Regression approximation of a non-leaner static system was preformed to estimate the parameters of a system based on its input and output data set. The identification and validation data set were loaded and plotted on MATLAB in order to examine a non-linear static system for outliners. Furthermore, using the assigned flag number &ac...

Business ScenarioBusiness Scenario Following the preliminary analysis of the data employing descriptive statistics and graphical presentations (Assignment 1), further analysis is required with the aims of helping Happy Homes Ltd in the pricing of properties to be sold, and planning for improved sales performance in the property market going forward.  To provide realistic advice, it is necessary to understand which factors are related to Sa...

Task: 1. Please use Tableau for this quiz. You have 35 minutes.   2. You should submit pdfs or screen prints of your 3 sheets.   3. Connect to the data which can be found at this link.   4. Create a new calculated field that sums the four types of minutes: day, evening, night, international. Call it Total Call Minutes.   5. In the Data Source tab, create an alias or use your own way to change the displayed name for th...