Regression analysis is used to analyze data that has two or more variables in order to investigate interdependence of the variables. Regression analysis is used in business to predict trends and analyze a variety of data types for business decision-making.

Describe the assumptions necessary to conduct statistical tests involving the hypothesized-regression model. Give examples for the practical application of regression analysis in business. Explain how the regression analysis is used to predict future performance of a business.

The questions below can be solved using the thermal radiation laws (\"Mathematical Insight 5.2\") and the Doppler shift law (\"Mathematical Insight 5.3\"). 1. Thermal Radiation Laws Find the thermal radiation emitted power and peak intensity wavelength for a sphere of radius R = 6 37-1} 000 m and temperature T = 238 K. 2. Doppler Calculations a. In Hydrogen the transition from level 2 to level 1 has a rest wavelength of 121.6 nm. Find the speed and direction (toward or away from us} for a star in which this line appears at wavelength 120.? nrn. Practice Question Enter your answer to each question in the space provided. Click on the button marked "Check Answer" to see if you are correct. Siamese Fighting Fish (Betta splendens) normally have short, rounded tails. Hobbyists have developed a variant that has a long, drooping "veil" tail. When pure breeding round-tailed fish are bred with pure breeding veil-tailed fish the progeny all have veil tails. When F1 progeny from such a cross were self-crossed, the F2 generation consisted of 63 veil-tailed fish and 25 round-tailed fish. Which phenotype is dominant? Veil tail Check Answer What percentage of the F1 progeny are expected to be heterozygous? % Check Answer What percentage of the F2 round-tailed progeny are expected to be heterozygous? % Check Answer What percentage of the F2 veil-tailed progeny are expected to be heterozyg %% Check AnswerAnswer: Reducing the number of December advertising spots and increasing the number to be run in January. Acceptable As the Decisions taken by company, it is a business related decision. Giving salespeople a double bonus to exceed December targets. Acceptable Since this offer is for motivating the employees and also to push the business and it is 3?. ethical way of improving business. 3. Extending the close of the fiscal year beyond December 31 so that some sales from next year are counted in the current fiscal year. Un accepted As it is against the rules of the maintaining accounts 4. Persuading customers to accept merchandise for shipment in December that they would normally not order until the following year. Acceptable As there is no bribes are offered to persuade the customer and sales are occurred in December month 5. Altering dates on shipping documents so that sales made in January of the next year appear to have occurred in December of the current year. Unaccepted As it is up ethical and against GAAP E. Deferring advertising costs by asking the outside advertising agency to delay sending out bills for December advertisements until January or by having the agency indicate that advertisements run in December were run in January. Unacceptable As the expenses spent on December and recording forJanuary F. Defer performing routine monthly maintenance on equipment by an outside vendor until January. Accepted; g the expenses not actually spent not on December. What should you do if the president suggests that these actions are taken in every division of 321 and that the consumer division will be greatly harmed if it does not present \"better" results than 3% growth? 9. value: 5.00 points A difference between debt financing and equity financing is that: O debt financing must be repaid, while repayment of equity financing is not required. O equity financing must be repaid, while repayment of debt financing is not required. O only debt financing can be used to purchase assets. O only equity financing can be used to purchase assets