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# Recent Statistics Questions & Answers

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### Is the investigational drug effective in improving the lung capacity of chronic smokers?

1. Is the investigational drug effective in improving the lung capacity of chronic smokers? Which are the relevant variables to this problem? What ar

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### The largest public health experiment involved 401,974 children who were randomly assigned to two groups.

Problem 1: The largest public health experiment involved 401,974 children who were randomly assigned to two groups. In one group, 201,229 chil

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### Estimate the model and report the results in the usual OLS format including the standard errors of the regression.

Question 1 (30 marks) The data for Question 1 is contained in HPRICE1.csv. The file contains 88 observations on 10 variables: ⚫ price: house price

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### Adjustment of the max and min values of the Y-Axis when you plot the tan curve

Adjustment of the max and min values of the Y-Axis when you plot the tan curve:   For highest credit:  You generate the y values for the t

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### As a newly promoted audit manager, you are assigned to the audit of Life Long Learning Pte Ltd

Question 1   As a newly promoted audit manager, you are assigned to the audit of Life Long Learning Pte Ltd (LLL) for the year ending 31 Decemb

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### The Pareto distribution is a long-tail probability distribution used to model many social and technical phenomena

Q1. Pareto Distribution [8 points] The Pareto distribution is a long-tail probability distribution used to model many social and technical phenomena

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### An opinion poll surveyed a random sample of 242 people, and the results were organized in the above table

A. An opinion poll surveyed a random sample of 242 people, and the results were organized in the above table. Respondents were classified by gen

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### InstructionsFor this assignment, you will read the scenario below and answer the prompts provide

Instructions For this assignment, you will read the scenario below and answer the prompts provided. ETPI’s marketing department intends to parti

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### In the accompanying data file, you are given monthly returns of four stocks: JCPenney, Amoco, GM and JPMorgan for 240 months during the 20 year period from 1975 to 1994.

Question 1: Portfolio Optimization: In the accompanying data file, you are given monthly returns of four stocks: JCPenney, Amoco, GM and JPM

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### You work in the vegetables\' section at the local grocery store. The store sells three vegetables - broccoli, onions and tomatoes.

Q2 (10 points) You work in the vegetables' section at the local grocery store. The store sells three vegetables - broccoli, onions and tomatoes.

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