# Question

Find the t table value that would be used to construct the confidence interval for the slope coefficient in a regression analysis for each of the following situations:

a. For 95% confidence, based on a sample size of n = 298.

b. For 99% confidence, based on a sample size of n = 15.

c. For 95% confidence, based on a sample size of n = 25.

d. For 99.9% confidence, based on a sample size of n = 100.

a. For 95% confidence, based on a sample size of n = 298.

b. For 99% confidence, based on a sample size of n = 15.

c. For 95% confidence, based on a sample size of n = 25.

d. For 99.9% confidence, based on a sample size of n = 100.

## Answer to relevant Questions

Consider the expense ratio and the total one-year rate of return on the W&R family of mutual funds in Table 11.3.6. a. What percentage of the variation in rate of return is explained by expense ratio? Please provide both the ...Are top executives of larger companies paid significantly more than those of smaller companies? Consider data on CEO pay (dollars) and market capitalization (the total market value of stock, in $ millions) for a sample of ...Table 11.3.2 shows the on-time performance of nine airlines, both for one month (May 2010) and for the preceding four (January to April 2010). These numbers represent percentages of flights that arrived on time. We will ...Consider the number of transactions and the total dollar value of merger and acquisition deals in the oil and gas industry, from Table 11.1.5. a. Find the regression equation for predicting the dollar value from the number ...a. What salary would you expect for an individual with no (zero years of) experience? b. Find the 95% confidence interval for the salary of a new individual (from the same population from which the data were drawn) who has ...Post your question

0