# Statistics

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Solution Library **

#### Hypothesis Testing About Americans Estimating Foreign Aid In Federal Budget

Question In a simple random sample of 144 Americans, respondents were asked to estimate the share of the U.S. federal budget devoted to foreign aid. The average of the responses was 24.8%, with a standard deviation in responses of 12%. The actual share of the U.S. federal budget devoted to foreign ... Read More

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#### Hypothesis Testing Using Bivariate Regression Model

Question A researcher is interested in explaining American voters’ attitudes toward free trade between the US and other countries. Based on an economic model she postulates that voters with more formal education have job skills that will be in higher demand under free trade; therefore that th ... Read More

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#### Calculate Regression For The Data Given

Question Access the dataset ‘presvote.csv’ attached. Regress the incumbent party’s popular vote share for president on both the incumbent’s July popularity in the election year, and the GNP change to the 4th quarter of the election year. Report the slopes, intercept, and the ... Read More

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#### Calculate Standard Error And Finding Statistical Significance For The Given Data

Question In 1974, the Franklin National Bank failed. Franklin was one of the 20 largest banks in the nation, and at the time, the largest ever to fail. Could Franklin’s weakened condition have been detected in advance by simple data analysis? The table below gives the total assets (in billion ... Read More

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#### Calculate Bivariate Correlation And Regression For Data Given In Sav File

Question In the data set, there are 35 variables and 2248 participants. The file is about Norwegian veterans, who have participated in international military operations (intops). The data contains information about PTS symptoms, how they perceived their time in active duty and to which degree they ... Read More

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#### Calculation Of Regression And Making Scatter Plot

Question The data for Consumer Price Index Y, (2000 = 100) and the money supply X ($billions) for the US for the years 1959 – 2011 are presented in file CPIM2.wf1. a. Draw a scatter plot for the pairs of variables below and comment on their relationship: 1. Y vs X 2. ln Y vs ln X 3. ln Y v ... Read More

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#### Calculation Of Regression And Interpret The Results

Question The data on after-tax corporate profits (X) and net corporate dividend payments (Y) ($ billions) of private corporations in the US for the quarterly period of 2007:1 to 2011:3 are presented in file Tax.wf1. a. Regress dividend payments (Y) on after-tax corporate profits (X) to find out if ... Read More

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#### Calculation Of Regression And Results Interpretation

Question Data on child mortality (CM), female literacy rate (FLR), per capita GNP (PGNP), and total fertility rate (TFR) for a group of 64 countries are given in file CM.wf1. a. What is the expected relationship between CM and each of the other variables? b. Regress CM on FLR and present the usua ... Read More

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#### Calculation Of Variance And Estimate Standard Errors

Question Consider the investment behavior of two large corporations, General Electric and Westinghouse. These firms compete against each other and produce many of the same types of products. We might wonder if they have similar investment strategies. Investment data for 20 years for these two corpo ... Read More

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#### Calculation Of Regression For Estimation Of Sales

Question Data for corporate profits (P) and sales (S) for the manufacturing sector for the period 1970-2005 are stored in file sales.wf1. a. Find least-squares estimates of β1 and β2 in the model P = β1 + β2S + e Report and comment on the estimated equation. b. Draw a histo ... Read More

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#### SPSS Analysis For 3 Case Studies

Question Read the three case studies below and choose the appropriate statistical procedure. Using the Final Data Set, run the appropriate correlation or regressions procedure, analyze the data, and report the results. Please be sure to include the following elements in your Results: The assump ... Read More

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#### SPSS Analysis For Average Recall Of Exact Phrases For Men And For Women

Question Use the Christy.SAV data set for these problems. 1. Suppose the researcher wants to ask whether or not the average recall of exact phrases (VERBAL) for men and for women (GENDER) are different. a. What test should the researcher run (be specific)? b. Run the test. Report your test stati ... Read More

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