Psychology 3LL3 Midterm test --- Sample Questions

1) For the following data set, draw a ** quick sketch** of the data. The precision of the graph is

Relation between family income and square footage of the principal residence for 10 professors at McMaster

Income ($ x 000) |
Square Footage (x 100) |

25 |
12 |

42 |
23 |

45 |
18 |

64 |
32 |

56 |
24 |

77 |
33 |

81 |
29 |

27 |
8 |

32 |
12 |

64 |
27 |

Which is the best measure of the strength of association:

a) z test b) t-test c) Repeated Measures ANOVA

d) Regression e) Correlation

2) You want to test the hypothesis that eating fast food is negatively associated with body image. You have first year psychology students tell you how often they go to takeout restaurants and then rate their satisfaction with their body on a 10 point scale.

3) Given information about the mean, median, mode, standard deviation and range of a set of data, make inferences about the presence or absence of possible anomalies in the data (e.g miscoded data)