# PS-1.5 Data Analysis: Question Preview (ID: 1978)

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In a data table |
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a) values for the IV are recorded in the first (left) column, and values for the DV are recorded in the second (right) column | b) values for the DV are recorded in the first (left) column, and values for the IV are recorded in the second (right) column | c) units are not needed, as they are understood. | d) values not agreeing with the hypothesis may be left out. | |

Graphs |
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a) plot the IV on the X-axis and the DV on the Y-axis | b) plot the DV on the X-axis and the IV on the Y-axis | c) do not need a title, unlike data tables | d) must always be line graphs in scientific reports | |

A graph can show a relationship of DIRECT variation between the IV and the DV if |
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a) it shows a straight line passing through the origin | b) it shows a curved line that never crosses either axis. | c) it shows a straight line parallel to the X-axis | d) it shows a straight line parallel to the Y-axis | |

A graph can show a relationship of INVERSE variation between the IV and the DV if |
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a) it shows a curved line that never crosses either axis. | b) it shows a straight line passing through the origin. | c) it shows a straight line parallel to the X-axis. | d) it shows a straight line parallel to the Y-axis. | |

The best type of graph to show non-continuous data (data that is in catagories like |
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a) a bar graph. | b) a line graph. | c) a circle graph. | d) an astrological chart. | |

The type graph best suited to continuous quantitative data is |
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a) a line graph. | b) a bar graph. | c) a circle graph. | d) an astrological chart. | |

If you are given the value for other variables, you can solve for an unknown variable with |
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a) a formula. | b) a calculator. | c) a hypothesis. | d) dimensional analysis. | |

Dimensional analysis uses conversion factors to |
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a) change the units of a measurement. | b) change the value of a measurement. | c) solve for an unknown variable. | d) help plot graphs. | |

As technology improves (as when the microscope was invented) |
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a) science concepts can be studied more completely and accurately. | b) basic science investigations become less important. | c) advancement of science tends to slow down. | d) there is less need for the sciences. | |

A scientific model |
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a) is used to make scientific concepts easier to understand. | b) is a completely accurate description of what is being described. | c) never changes, as it is already perfect. | d) are not useful in making predictions. | |

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