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Submitted by latgor on Wed, 2012-09-05 20:29

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# A country’s annual growth rates over a 10-year period are shown in the following table. Year Growth Rate 1 5 2 3 3 4 4...

A country’s annual growth rates over a 10-year period are shown in the following table.

Year Growth Rate 1 5 2 3 3 4 4 -3 5 -4 6 2 7 3 8 4 9 6 10 3

What was the country’s trend rate of growth over this period?

Which set of years most clearly demonstrates an expansionary phase of the business cycle?

Which set of years best illustrates a recessionary phase of the business cycle?

Answer

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# Sheet1

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | x | x | xxx | xxx | xy |

xxxx | xxxxxx xxxx | ||||

x | x | -9 | xx | xx | xxx |

2 | 3 | xx | 49 | 9 | xxx |

x | 4 | -5 | xx | xx | -20 |

x | 3 | -3 | x | x | -9 |

5 | x | -1 | x | xx | -4 |

x | x | 1 | x | 4 | 2 |

x | x | 3 | x | x | 9 |

8 | 4 | x | 25 | xx | xx |

x | x | 7 | xx | 36 | 42 |

xx | 3 | x | 81 | 9 | 27 |

xxxxx | 37 | x | 330 | xxx | x |

Regression xxxxxxxxxxx x x + xx | |||||

Slope(b) = (NΣXY x (ΣX)(ΣY)) / (NΣX2 - (ΣX)2) | xxxxx = xx x 1- 37 x 0 x xx x xxxx (0)^2 x 0.003 | ||||

Intercept(a) x (ΣY x b(ΣX)) x N | Intercept = xx xxxxxx xxxxx = xxx | ||||

Trend line | xxxxxx rate= 3.7 x xxxxx year | ||||

xxxxxxxxxxxx xxxxx xx observed xx xxxx xxx & 8 | |||||

recessionary xxxxx xx seen in xxxx 1,2 & x & x |

# Sheet2

# Sheet3

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