Sqqs

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SQQS 1013 – Chapter 1: Tutorial 1.2 (in pairs)
Matric No.: ________________Matric No.: _____________

A. Circle the correct answers. (9 marks)

1.| A ____________ is a characteristic or attribute of a subject that can assume different values? | A)| datum |
B)| variable |
C)| exponent |
D)| sample |

2.| If a weather center monitors and calculates the average number of tornadoes that pass through Topeka, Kansas each year, what type of variable would they be investigating? | A)| random variable |

B)| controlled variable |
C)| isolated variable |
D)| hypothesis variable |

3.| Which of the following correctly describes the relationship between a sample and a population? | A)| A sample is a group of populations that are subject to observation. | B)| A population is a group of samples that may or may not be included in a study. | C)| A sample is a group of subjects selected from a population to be studied. | D)| A population and a sample are not related. |

4.| Based on her electric bills from last year, Mrs. Smith expects she will be paying $75/month this year. This is an example of descriptive statistics. | A)| True|
B)| False|

5.| Which branch of statistics would employ probability to predict how many miles one should be able to drive a 2000 Toyota Celica during its lifetime? | A)| time series statistics |
B)| descriptive statistics |
C)| inferential statistics |
D)| differential statistics |

6.| In which branch of statistics would a researcher acquire twenty-five 2000 Toyota Celicas, drive them until they had a major mechanical failure, record the final mileage, and then write a report for Car and Driver? | A)| predictive statistics |

B)| descriptive statistics |
C)| inferential statistics |
D)| differential statistics |

7.| What level of measurement allows for the ranking of data, a precise difference between units of measure, and also...
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