The owner of a movie theater company would like to predict weekly gross revenue as a function of advertising expenditures. Historical data for a sample of eight weeks follow. Weekly Gross Revenue ($1,000s) Television Advertising ($1,000s) Newspaper Advertising ($1,000s) 96 5 1.5 91 2 2 95 4 1.5 93 2.5 2.5 95 3 3.2 94 3.5 2.3 94 2.5 4.1 94 3 2.5 (a) Use = 0.01 to test the hypotheses H0: β1 = β2 = 0 Ha: β1 and/or β2 is not equal to zero for the model y = β0 + β1x1 + β2x2 + , where x1 = television advertising ($1,000s) x2 = newspaper advertising ($1,000s). Find the value of the test statistic. (Round your answer to two decimal places.)