Math/Physic/Economic/Statistic Problems

What are possible explanations for the epidemic affecting more older than younger children, and more boys than girls?

PUBLIC HEALTH Review of Hospitalized Cases from Holland Patent School District Because the data indicated an excess of normal surgically removed appendices in the Holland Patent School District residents during September 1976, the investigators attempted to identify additional cases by conducting a second review of hospital records that focused on children from that district who […]

In your own words, what is the general working principle behind a compass? What magnetic polarity does the Earth’s geographic north pole have ?

Discussion Create your initial post on the DQ 11 Discussion Board in response to the following questions: Before the invention of GPS travelers relied on a compass to show whether there were moving north-, south-, east, or west-bound. In your own words, what is the general working principle behind a compass? What magnetic polarity does […]

Calculate the impact of the energy score program using the “before and after” method. What is the counterfactual in this case?

AEC 434 Problem Set 31. A researcher is interested in understanding whether or not home energy scores, as suggested recently in Corvallis, will make newly built homes more energy efficient.Imagine that this researcher is able to conduct an experiment on selected cities in Oregon.This researcher randomly selects treatment and control newly-built homes. “Treatment” means that […]

Create a table of descriptive statistics for the variable. In several sentences, discuss whether the daily minutes of eating and drinking people report is normally distributed.

SPSS Homework: Testing Data for Normality Assignment Download the file titled SPSS Homework Data File. It is an SPSS data file that contains a selection of data from the American Time Use Survey. This survey is conducted by the US Bureau of Labor Statistics and collects information on the amount of time people report spending […]

Find a minimum of five sources. Summarize, in paragraph form, each of those sources in the annotated bibliography.

Annotated Bibliography The topic can not be broad such as gun control, abortion, religion, etc. Find a minimum of five sources. Summarize, in paragraph form, each of those sources in the annotated bibliography. Acceptable sources: Published research journals Peer-reviewed publications

Solve each problem clearly and completely, starting from first principles, including all steps and the values of initial parameters.

Case Assignment Case 1: Traffic Light A traffic light is hanging from two wires set at known angles. What is the magnitude of the tension in each wire? Set up this system based on the figure. Hang an object of known mass from the center of a meter-long string with loops on both ends for […]

Analyze the mortality of individuals after the age of 75 years.

Question 1: Analyze the mortality of individuals after the age of 75 years. Assume the following: 𝑠𝑝 . π‘₯ = 𝑃(𝑋 > π‘₯ + 𝑠|𝑋 > 75) 𝑋 ∼ 𝑁(75, 1) i.e. X follows a normal distribution with mean 75 and variance 1. 𝑆 = π‘šπ‘Žπ‘₯(0, 𝑋 βˆ’ 75), where S is the future lifetime […]

Produce a single graph comparing the speed of all implementations. Explain what is SIMD, OMP, and MPI? What are the differences between them?

ASSIGNMENT Goal of this assignment Distributed parallel computing SIMD using vectorized data Symmetric Multiprocessing using OpenMP Distributed Memory using Message Passing Interface (MPI) Problem Statement Given the following algorithm doing matrix multiplication, implement multiples variations using different types of parallel processing we saw in class: SIMD, OMP, MPI, and OMP+MPI. for (i = 0; i […]

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