Tutorial 1 (answers)

Tutorial 1 (answers) - to be 5 years. The 200 sound cards...

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German University in Cairo Faculty of Management Technology Sheet one (answers) Chapter 1: What is Statistics?!  Exercise 1: Choose the correct answer 1. In a questionnaire, respondents are asked to mark their gender as male or female. Gender is an example of the a. ordinal scale b. nominal scale c. ratio scale d. interval scale 2. The owner of a factory regularly requests a graphical summary of all employees' salaries. The graphical summary of salaries is an example of a. a sample b. descriptive statistics c. statistical inference d. an experiment 3. The temperature has a ……………………… of measurement. a. ratio scale b. nominal scale c. ordinal scale d. interval scale 4. A company has developed a new computer sound card, but the average lifetime is unknown. In order to estimate this average, 200 sound cards are randomly selected from a large production line and tested and the average lifetime is found
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Unformatted text preview: to be 5 years. The 200 sound cards represent the: a. parameter b. statistic c. sample d. population 5. A summary measure that is computed from a sample to describe a characteristic of the population is called a a. parameter b. statistic c. population d. sample 1 German University in Cairo Faculty of Management Technology Quantitative & Qualitative Analysis 6. Which of the following statements is not true? a. One form of descriptive statistics uses graphical techniques b. One form of descriptive statistics uses numerical techniques c. In the language of statistics, population refers to a group of people d. Statistical inference is used to draw conclusions or inferences about characteristics of populations based on sample data 7. A summary measure that is computed from a population is called a a. parameter b. statistic c. population d. sample 2...
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Tutorial 1 (answers) - to be 5 years. The 200 sound cards...

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