# Quantitative research

Put the answers to the following questions on the blanks. 1. A survey regarding choices of colors of chairs in the lobby area is sent through email to all 5000 employees at a particular company. 30 people respond to the survey. a) What is the sample? (Include a number)________________________________ b) What is the population? (Include a number)________________________________ c) Would this sample be representative of the population? Yes or No 2. A sample of 100 professors at Collin College is randomly selected. The average of their yearly salaries is calculated.

a) What is the sample? (Include a number)________________________________ b) What is the population? (NOT a number)________________________________ c) Would this sample be representative of the population? Yes or No (Circle one) d) Is the salary for these 100 professors considered a statistic or a parameter? (Circle one) 3. Determine whether the study depicts an observational study or a designed experiment. a) A Cancer Research Group divided their 40 patients with lung cancer into two groups. One group received an experimental drug to fight cancer; the other group received a placebo.

After one year, the spread of cancer was measured. (Circle one)observational study or a designed experiment b) A study is conducted to determine if there is a relationship between breast cancer and breastfeeding. (Circle one)observational study or a designed experiment Math 1342page 2 Lab 1 – Chapter 1 4. Tell whether the following types of data are qualitative or quantitative. Then identify the quantitative data as continuous or discrete. Circle the correct category/categories. a) Weight of an uncut diamond qualitative or quantitative: discrete or continuous.

b) Brand name of a pair of running shoes qualitative or quantitative: discrete or continuous c) Number of students in a class qualitative or quantitative: discrete or continuous d) A person’s zip code qualitative or quantitative: discrete or continuous e) Grams of carbohydrates in a doughnut qualitative or quantitative: discrete or continuous f) Number of cookies in a box qualitative or quantitative: discrete or continuous 5. State the type of sampling used for each problem.

a) The Town of Poughkeepsie Police ran a sobriety checkpoint at which every fifth driver was stopped and interviewed._________________________ b) A News organization conducts an election day poll by randomly selecting voting precincts in New York, then interviewing all voters as they leave those precincts. ________________________________.

c) A professor surveyed all of his students to obtain sample data consisting of the number of credit cards students possess. ________________________________ d) In a study of college programs, students are randomly selected as follows: 8 from those majoring in communications, 14 from those majoring in business, and 7 from those majoring in history.

This paper is going to talk so much about the various principles which are so common to a great extent of quantitative research in nursing. The task of hypothesis of testing is also considered and the estimation of the emphasis. …

Research Critique, Part 2: Critique of Quantitative Research Article The population who are diagnosed with obstructive sleep apnea (OSA) often experience daytime drowsiness and are at risk for ischemic heart disease, arrhythmias, hypertension, and other vascular related problems (Hsu et …

The title of this research study is Stressful life events and the tripartite model: Relations to anxiety and depression in adolescent females. The study was investigated by Jeremy Fox, Leslie Halpern, Julie Ryan, and Kelly Lowe (2011). This paper will …

The purpose of research in nursing and medicine is to acquire knowledge that would improve nursing and medical practices. The research paper that will be critiqued is “Comparison of Communication Outcomes in Traditional versus Simulation Strategies in Nursing and Medical …

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