Questions
7. The National Technology Readiness Survey sponsored by the Smith School of Business at the University...

7. The National Technology Readiness Survey sponsored by the
Smith School of Business at the University of Maryland surveyed 418 randomly sampled Americans, asking them how often they delete spam emails. In 2004, 23% of the respondents said they delete spam mail once a month or less, and in 2009 this value was 16%.

(a) What are the hypotheses for evaluating if the proportion of those who delete their email once
a month or less has changed from 2004 to 2009?
bb
(b) What is the point estimate for the deference between the two population proportions?

(c) A report on the survey states that the observed decrease from 2004 to 2009 is statistically
significant. Explain what this means in context of the hypothesis test and the data. (d) Would you expect a confidence interval for the deference between the two population proportions to contain 0? Explain your reasoning

In: Statistics and Probability

Glen Avon Inc. specializes in the production of telecommunication satellites. The company has a 6-month fiscal...

Glen Avon Inc. specializes in the production of telecommunication satellites. The company has

a 6-month fiscal end on December 31 and June 30. In 2004 the company decides to expand their

operations and finances it by issuing 4,000 bonds at a 14% coupon rate (annual). The bonds pay

interest on October 31 and April 30, and are due on April 30, 2019.

a. (3 points) Assuming the bonds are issued on April 30, 2004 at 104, record the journal

entry(ies) for the issue.

b. (5 points) Record the proper adjusting entry(ies) for the 6-month fiscal end on June 30, 2004.

c. (4 points) Record the interest payment on October 31, 2014.

d. (8 points) On November 30, 2014, the company purchases 90 percent of the bonds back at

110 plus accrued interest. Record the proper journal entry(ies) for the repurchase.

In: Accounting

What section of the Consumer Protection Act, 2002 covers “false, misleading or deceptive representations”?

What section of the Consumer Protection Act, 2002 covers “false, misleading or deceptive representations”?

In: Economics

What type of companies have to comply with the Sarbanes-Oxley Act of 2002? Need citation

What type of companies have to comply with the Sarbanes-Oxley Act of 2002?

Need citation

In: Accounting

Answer the following questions in detail. Be sure to thoroughly describe each and provided examples. Use...

Answer the following questions in detail. Be sure to thoroughly describe each and provided examples. Use scholarly-peer reviewed journals or sources to support your response (Wikipedia, Investopedia, etc. is not acceptable sources).

How does Section 404 of the Sarbanes Oxley Act of 2002 impact small businesses? (Be sure to be concise and provide examples)

How does Section 404 of the Sarbanes Oxley Act of 2002 integrate with the audit function? (Be sure to be concise and provide examples)

In: Accounting

What is the average percentage of time that construction workers and productive according to James Adrian...

What is the average percentage of time that construction workers and productive according to James Adrian (2004)?

In: Civil Engineering

Modeling changes

This analysis compares the model in the text that has the level of shipments as the response to a model that uses the change in the shipments as the response. (These data are monthly, based on the seasonally adjusted data from 2002 through 2009.) Modeling changes is often more interesting than modeling levels. After all, we often care more about how the future differs from the present than anything else. This scatterplot and table summarize the ft of a regression of the changes, Yt €“ Yt -1, in the shipments on the lag of the shipments.
This analysis compares the model in the text that has
This analysis compares the model in the text that has

(a) Why do we have 96 observations for fitting this model, even though we need prior values of the response to find the change and the lagged predictor? Shouldn€™t we lose one observation from lagging the variable?
(b) How do the slope and intercept of this equation differ from those for the frst-order autoregression of the level of shipments on its lag (shown in Table 27.3)?
(c) Compare se from this regression to that of the autoregression for the level of shipments. Explain any differences or similarities.
(d) This model has a small R2 with a slope that is not statistically significant. Why is the ft of this model so poor, whereas that of the AR(1) model is so impressive?

 

In: Statistics and Probability

You are considering the relationship between annual returns on the S&P 500 index (January 31 to...

  1. You are considering the relationship between annual returns on the S&P 500 index (January 31 to January 31) and annual changes in the unemployment rate. You define:
    S = annual % change in the S&P500 (SPX)
    U = annual % change in the unemployment rate

    You consider the following univariate relationship:
    Si = b0 + b1Ui + εi

    You have data on annual changes in the unemployment rate and the S&P500 (SPX) from 2002 through 2020 (19 observations) and you want to use the data to estimate the regression coefficients (intercept b0 and slope b1)

    You are given the following statistics:

Statistic

Value

Cov(U,S)

-0.025043

Var(U)

0.034590

E(U)

-0.001530

E(S)

0.064267

TSS

0.627907

RSS

0.326368
  1. Compute the estimated coefficients for the intercept (b0) and slope (b1) and the R2
  2. So far in 2020, the unemployment rate has increased by 280% (from 3.6 percent to 13.3 percent). If the unemployment rate increase for the year ends up at 100%, what is the expected value of S (annual return on the S&P500)?
  3. Once you have the forecast value for S, calculate a 95% confidence interval for your forecast.

In: Finance

Differentiate between management researcher and academic researcher.

Differentiate between management researcher and academic researcher.

In: Economics

If the spot rate S/£ is $1.3050 and the US interest rate is 3% and the...

If the spot rate S/£ is $1.3050 and the US interest rate is 3% and the UK interest rate is 4%, then one year equilibrium forward rate is

In: Finance