How many movies in year 2011 are included in the dataset?

What is the average Exam_Score for students that take courses offered by the Accounting Department?   

Use the dataset named Purchase_Orders.xlsx and answer Questions 15-19. This dataset contains observations for purchase orders. You are interested in identifying some high-risk observations for purchase order amount [PO_Amount] using the Benford’s law analysis. Extract the leading significant digit of [PO_Amount] and compare the distribution with the prediction under Benford’s law. Answer Questions 35-39 using results from your analysis.What is the number of observations in [PO_Amount] with significant leading digit equal to 3?

What is the median for GDP_Winsorized?

What is the correlation coefficient between GDP and GDP_Winsorized?

Use the dataset named googleplaystore.xlsx and answer Questions 27-34. Calculate the z-score for the column [Reviews] for each observation in the dataset. What is the maximum positive z-score in the entire dataset?

Choose ONE of the following questions and write a thorough, complete response. It is important to include all details relevant to the question. Too much is far better than too little. 1. Define Festinger’s concept of cognitive dissonance. Also, describe how to reduce dissonance. OR 2. List and describe the Big Five factors of personality.

After coming home from studying abroad, a grad student experienced frequent episodes of extremely watery diarrhea that resembled rice in water. The amount of fluid lost through the diarrhea caused severe dehydration. Gram negative curved rods were found in the stool. The disease was caused by what pathogen?

Which of the following would not be considered a vector?

This is the same situation as another question: During a six-month period, 239 cases of pneumonia occurred in a town of 300 people. A clinical case was defined as fever ≥39°C lasting >2 days with three or more symptoms (i.e., chills, sweats, severe headache, cough, aching muscles/joints, fatigue, or feeling ill). A laboratory-confirmed case was defined as a positive result for antibodies against Coxiella burnetii. Before the outbreak, 2000 sheep were kept northwest of the town. Of the 20 sheep tested from the flock, 15 were positive for C. burnetii antibodies. Wind blew from the northwest, and rainfall totals were much lower than each of the previous three years. In the above situation, what is the reservoir?