A tech company wants to assess whether remote work has affected employee productivity. Historically, employees completed an average of 20 projects per quarter, with a standard deviation of 3 projects. After a shift to remote work, they sampled 12 employees and found the average projects completed per quarter is now 24, with a standard deviation of 2 projects.

What is the null hypothesis in words? A. The shift to remote work has significantly increased the average number of projects in comparison to the company's historic average. B. The shift to remote work has significantly increased the average number of projects in comparison to the company's historic average. C. There is not a significant difference in the average numbers of projects completed when comparing remote workers to the historic average. D. There is a significant difference in the average numbers of projects completed when comparing remote workers to the historic average.

What is the alternative hypothesis in words? A. The shift to remote work has significantly increased the average number of projects in comparison to the company's historic average. B. The shift to remote work has significantly increased the average number of projects in comparison to the company's historic average. C. There is not a significant difference in the average numbers of projects completed when comparing remote workers to the historic average. D. There is a significant difference in the average numbers of projects completed when comparing remote workers to the historic average.

What is the case/direction? A. One-tailed RIGHT B. One-tailed LEFT C. Two-tailed