A pharmaceutical company is testing a new pain relief drug….

A pharmaceutical company is testing a new pain relief drug. They recruit 20 patients with chronic pain and measure their pain levels on a scale of 1 to 10 before taking the drug. The patients then take the drug for one week, and their pain levels are measured again. The company wants to determine if the drug significantly reduces pain levels. What statistical test should be used to analyze the data?

Part 2 Question 4Decide which statistical procedure/test wil…

Part 2 Question 4Decide which statistical procedure/test will be used to answer this question. Explain in one sentence how you came to your decision. A school district wants to determine if students’ math test scores have improved over the past 10 years. They collect a random sample of 50 students who took a standardized math test in 2014 and another random sample of 50 students who took the same test in 2024. At a 5% significance level, is there enough evidence to conclude that the mean math test scores have significantly increased over the past decade?

A. Os números de telefone. You arrived in São Paulo, Brazil,…

A. Os números de telefone. You arrived in São Paulo, Brazil, and want to know telephone numbers for the police, airport, local hospital and fire station in case of an emergency. First, listen to the numbers provided by the concierge at your hotel. Then, type your answer in the spaces below to reveal the telephone number. (¼ pt. each; 10 pts. total) MODELO: (You hear): 8  1  9  5  3  2  4  3  2  5 (You write): 8195324325 1. Aeroporto de Congonhas: [1] 2. Hospital Albert Einstein: [2] 3. Delegacia de Polícia de São Paulo: [3] 4. Corpo de Bombeiros: [4]

C. Adjetivos: Opostos. You and your Portuguese classmate are…

C. Adjetivos: Opostos. You and your Portuguese classmate are complete opposites and you disagree with everything he says! First, read the description. Then, match the underlined word with its antonym by selecting the most appropriate word from the dropdown menus. [Note: Don’t forget that in Portuguese the adjective must agree in both gender and number with the subject.] (1 pt. each; 6 pts. total) 1. O Júlio não é pessimista. Ele é [1]. 2. Eu não sou paciente, eu sou [2]. 3. Os meus amigos não são extrovertidos, eles são [3]. 4. A tarefa para a aula de matemática não é difícil, é [4]. 5. O professor português não é parcial, ele é [5]. 6. O Leandro não é triste, ele é [6].