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Cristina Sanchez September 2, 2019 Lab 1 Homework 1. Why are descriptive statistics essential to our understanding of what we observe in the world? -

Descriptive statistics is important, because it helps us better visualize and understand information in a more meaningful way, rather than visualizing specific data

2. Indicate whether the following statements use descriptive or inferential statistics: • Average score in your Biostatistics class. - Descriptive • Based on a study done by the CDC, it is estimated that adolescents drink more than 18 ounces of full-calorie soda per day. – Descriptive • On the basis of a survey done by the American Lung Association, it is estimated that 14% of the adult population of California smokes cigarettes. Inferential 3. Give an example of the following levels of measurement:

Data at the quantitative level: Age Data at the nominal level: Religious Preference Data at the ordinal level: Social Class 4. Please define the following: Sample: Smaller collection of actual observations from a population Data: Facts or statistics that are gathered for reference or analysis Population: Any complete collection of actual observations from a population Variable: Characteristics, number, or quantity that can be measured or coune 5. What is the default view when opening SPSS? 1. Inferential 2. Variable 3. Descriptive 4. Data -

Answer: Data

6. Where do you enter your data into SPSS? 1. Editing Screen 2. Variable View 3. Data View 4. Entry Screen -

Answer: Variable

7. For the purposes of this class, you must you always access the SPSS program from? 1. The desktop of your assigned lab computer 2. The mycsunsoftware.csun.edu website (Virtual Software Library) 3. The C: drive of any computer you’re working on 4. The C: drive of your assigned lab computer -

Answer: the desktop of your assigned lab computer

Extra Credit 8. SPSS is a computer software program owned and developed by: 1. 2. 3. 4.

CSUN IBM Microsoft IOM (Institute of Medicine)

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Answer: IBM

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