Complex Statistics Problems with Elaborate Answers : Page - 10

Questions:Use the information below for questions 44. - 48. You are interested in whether there are seasonal differences in the frequency of suicide-related phone calls to a 'hot-line' center. Your tally of calls for the past year is: Table 3 Frequency of Phone Calls Per Season Fall Winter Spring Summer Observed Frequency 27 58 71 44 The null hypothesis is that there are no seasonal differences. Test the 2-tailed alternative hypothesis tha...

Step 1: Set Up Null and Alternative HypothesesThe below scenario describes a real­world or business application that utilizes statistical analysis to help resolve a business problem: increasing efficiency by decreasing processing time. Prepare an analysis by completing five steps of the hypothesis testing with one sample. The report should be a minimum of 5 pages in length. Last week, your manager asked you to analyze staffing needs for...

TaskYou are a Business Analyst working for the ABC Ball Bearing company. An hour ago, you sent an order of 74 boxes of your A1 ball bearings to a customer on your delivery truck. You have just found out that your truck is going to go over a bridge that has a weight limit of 11,500 lbs.  You need to determine if your truck will safely make it over the bridge.  If you determine that the truck cannot make it over the bridge, you will need...

Data AnalysisTwo weeks after you have taken on a job as an analyst for the City of Miami, the Mayor’s office comes to you with the following problem. There has been a discussion about whether the city should support the crime prevention program “Learning from LA,” targeting assaults and theft crimes. The program would involve the exchange of officers, joint planning sessions and CompStat-like data-driven review meetings, a...

Course Code   :  BUS102

Course Title   :  introduction to management

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Problem 1 1. (A) The number of laptops sold daily at a local electronics shop has the following probability distribution. (10 marks) X: # of laptops sold 12 13 14 15 P(X=x) 0.4 0.3 0.2 0.1 What is the mean of the number of laptops sold on agiven day? What is the variance of the number of laptops sold on agiven day? (B) Internet service providers (ISP) need to resolve ...

Examine the variables in your dataset1. Examine the variables in your dataset to ensure that you understand what each variable is measuring. 2. Which variables are categorical or quantitative? Discrete or continuous? 3. How do you interpret the units of measurement? 4. Brainstorm potential relationships that you might expect to see between the variables in your dataset. 5. Which relationships might be important or useful to discover?...

Data SourcesThis assignment is prepared to check your understanding of economic growth and disparities between countries’ levels of development based on empirical evidence. You are expected to extract the data for this purpose of analysis from relevant credible sources. Originality and clarity in your work are highly valued. Long-run Economic Growth Extract the data for GDP per capita of all sovereign countries for selected years of 19...

Important Information About the One Hour Online TestThis test has been designed so that a well-prepared student could complete it within one hour. To allow for the test being online, an additional 15 minutes has been added. There will be an further additional grace period of 15 minutes at the end to allow for technical difficulties. The grace period ends at 4:30pm. Tests submitted during the grace period will be noted as “late” but...

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TaskPlease answer each of the following questions in order. There are four questions in total. You may write your answers neatly by hand or type them up, or a mix of the two. You will need to submit your assignment as a PDF file. You can use your phone to scan written work and convert to PDF. You may use any software or technology to answer the questions below. You may also work by hand. I recommend (but do not require) that you use Microsoft ...

Electricity Supply Optimization Problem1. BC hydro supplies electricity to households in Vancouver, Coquitlam and Burnaby. The company buys electricity from two dams, the Capilano dam and the Coquitlam dam. Their demand forecasts for the winter 2021 are as follows: Surrey 650 units, Burnaby 550 units and Vancouver 800 units. BC Hydro has contracts with the two dams to provide the necessary units as well. Capilano is to provide 950 units and C...

Question: It is required as Jamovi But, I could not upload it as Jamovi file so i had to export it as a CSV.For your lab this week, you are going to answer the questions below making sure to follow each of the steps as detailed. Lab Details Part 1 Dr. Nadler is interested in the relationship between extraversion, agreeableness, and neuroticism scores on a personality test.  Calculate a correlation coefficient for these relationships us...

Question 1: Stress AnalysisAnswer all ten questions in this part.This part is worth 40 percent of the total marks in this examination. Plan to spend no more than 40 percent of your time answering this part.A 40 mm wide and 5 mm thick titanium alloy plate with a 7 mm edge crack is subjected to a tensile load of 50 kN as shown in figure 1 (a). Figure 1 Figures for Question 1 (a) Plate with an edge crack (b) Y-calibration for a finite-width edge...

Course Code   :  MATH219

Course Title   :  statistics and probability

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In this assignment, you will calculate confidence intervals for the quantitative variables in the Heart Rate Dataset. Steps Open the Heart Rate Dataset in Excel and identify the quantitative variables Make sure the data is sorted by category (e.g.male-at-rest, female at-rest, etc.) Use the Data Analysis tools of Excel to construct 95% and 99% confidence intervals for all 8 categories of the sorted quantitative variables. Excel will calcul...

Course Code   :  STA5092Z

Course Title   :  exploratory data analysis

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Task Assignment 1 Individual assignment – Due at end of week 7 You are in charge of the World Bank You have 3  objectives Reduce the number of people living on less than  $1(US) per day Limit CO2 emissions so global warming is less than 1.5 Degrees by 2050 Protect the world from another pandemic by providing basic health care for as many people as possible.  You have 1 Trillion Dollars (US) per year for each obj...

Probability questionsPlease type or write-in the answers in the appropriate box. There are a total of 50 points possible. The exam is open note and open book. You cannot collaborate with others. Please be sure to put your name on the exam so that you can get credit for your work. A bag of M&M has six colors of M&Ms: blue, red, green, yellow, brown, and orange. If the bag has an equal number of each of the six colors, what are the prob...