Many investors and financial analysts believe the Dow Jones Industrial Average (DJIA) gives a good barometer of theoverall stock market. On January 31, 2006, 9 of the 30 stocks makıng up the DJIA increased in price (The Wall StreetJournal, February 1, 2006). On the basis of this fact, a financial analyst claims we can assume that 30% of the stockstraded on the New York Stock Exchange (NYSE) went up the same dayA sample of 78 stocks traded on the NYSE that day showed that 21 went up.You are conducting a study to see if the proportion of stocks that went up is is significantly less than 0.3. You use asignificance level of a 0.001.What is the test statistic for this sample? (Report answer accurate to three decimal places.test statisticWhat is the p-value for this sample? (Report answer accurate to four decimal places.)19p-value =The p-value is..less than (or equal to) ogreater than aThis test statistic leads to a decision to...reject the nul1a

Given Data and calculation is shown below

Answered: Many investors and financial analysts…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Cryptocurrencies have rapidly become an important alternative to traditional currencies for many types of transactions. Etherium, one of the most prominent cryptocurrencies, has rapidly appreciated in value. Daily Etherium trading information for the first 332 days of 2021. It includes the following variables: Date Day – Day of the year, used to assess trend over time Volume (US $) – Daily trading volume Opening Price (US $) – Opening price for daily trading Price Change (US $) – Daily change in price from opening to close 1. Determine the sample correlation coefficient, r, between Volume and Price Change. Test the alternative hypothesis that Volume has a linear relationship to Price Change. Specifically, what are the test statistic and the p-value for that test statistic? For α = .05, what do you conclude about the relationship between the variables? (reminder: the T.DIST.2T function requires input of a positive test statistic)
The following is true about descriptive analysis except: Descriptive analysis describes what have already happened. Both descriptive and prescriptive analysis are used in accounting data analytics. O Prescriptive analysis is more advanced than descriptive analysis. Descriptive analysis describes what will happen in the future.
Gary is creating an index that helps compare the salaries of two jobs that he is considering. In the table below, what is the 2017 value for the Salary Index of Job 2? Base Salaries (2015-2017) 2015 2016 2017 Job 1 $30,000 $37,000 $39,000 Job 2 $40,000 $45,000 $53,000 Salary Index (2015-2017) 2015 2016 2017 Job 1 100 123 130 Job 2 100 113 ? 133 153 130 123
An electronics company had sales of $25,000,000 in the year just completed. Sales are expected to decline by 3% per year for the next three years un�l new drugs, now under development, receive regulatory approval. Then sales should grow at 7% per year for the next four years. What are the expected sales for the final year of the seven-year period? [
(3) Look at the boxplot below, which shows data for the selling price of homes in acertain neighborhood.a. What was the typical selling price? (This should be one number.)b. The cheapest 25% of homes sold for what range of prices? (This should be a rangeof values.) c. The middle 50% of homes sold for what range of prices? (Again, this should be arange of values.)
Walmart predicted the following end-of-year earnings from 2003 - 2012 in billions of dollars (9.5, 9.8, 10.2, 10.7, 10.5, 11.0, 12.1, 14.7, 16.3, 18.7). Their actual end-of- year earnings for the same years are as follows: 9.1, 9.2, 10.6, 10.3, 9.9, 10.4, 11.6, 11.8, 13.1, 22.7). In testing the claim that the mean predicted value is the same as the mean actual value, which p-value is correct? 0.228 0.456 0.779 0.05 4
In May, about 451 thousand existing homes were sold in the U.S., and sales were decreasingby 3.4% per month.(a) Create a model for this situation. (Recall that you should define the independent anddependent variables and their units, as well as provide an equation.)(b) If this trend continues, how many existing homes will be sold in the U.S. in October?(Round to the nearest thousand homes.)
What can you say about the interest ratings of boys and girls for these topics?
Please please solve all parts of the question. Thank you so much.
5. Market share of electric vehicles rose from 1.13% in 2017 to 2.1% in 2018.(a) What is the increase in market share in percentage points?(b) What is the percent increase in market share?
The selling prices of mutual funds change daily. In order to study these changes, a sample of mutual funds was examined and the daily changes in price are listed below. (Round answers to 3 decimal places) 0.32, -0.17, 0.26, -0.03, -0.01, 0.18, 0.33, 0.28, 0.02, -0.29, -0.08, 0.12, 0.07, 0.03, 0.28 a) Using a calculator find Q1, Q3, median and IQR b) Determine the lower and upper fences. (Show work) c) Identify the outliers (if any) in this set
The table below shows the year open and year closing price of the S&P 500 Stock Index from 2005 to 2020: Year Year Open Year Close Annual Percent Change 2005 $ 1,202.08 $ 1,248.29 2006 $ 1,268.08 $ 1,418.30 2007 $ 1,416.60 $ 1,468.36 2008 $ 1,447.16 $ 903.25 2009 $ 931.80 $ 1,115.10 2010 $ 1,132.99 $ 1,257.64 2011 $ 1,271.87 $ 1,257.60 2012 $ 1,277.06 $ 1,426.19 2013 $ 1,462.42 $ 1,848.36 2014 $ 1,831.98 $ 2,058.90 2015 $ 2,058.20 $ 2,043.94 2016 $ 2,012.66 $ 2,238.83 2017 $ 2,257.83 $ 2,673.61 2018 $ 2,695.81 $ 2,506.85 2019 $ 2,510.03 $ 3,230.78 2020 $ 3,257.85 $ 3,756.07 Find the annual percent change for the S&P 500 from 2005 to 2020; (Put those values in the table above) Compute the mean,…

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