Math

Topics: Cancer, Scientific method, Quantitative research Pages: 3 (447 words) Published: January 31, 2013
Math 1342Name _______________________
Lab 1 – Chapter 1

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)...
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