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Submitted by latgor on Wed, 2012-09-05 16:29

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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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# xxxxxx

xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx | y | x | xxx | xxx | xy |

xxxx | xxxxxx xxxx | ||||

1 | 5 | xx | 81 | xx | -45 |

2 | 3 | -7 | 49 | 9 | -21 |

3 | 4 | xx | 25 | xx | -20 |

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

5 | x | -1 | x | 16 | xx |

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

7 | 3 | 3 | x | 9 | 9 |

x | 4 | 5 | xx | 16 | xx |

x | 6 | 7 | 49 | 36 | 42 |

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

total | xx | x | 330 | 149 | x |

xxxxxxxxxx xxxxxxxxxxx = x x xx | |||||

Slope(b) x (NΣXY - xxxxxxxxxxx x xxxxxx x (ΣX)2) | xxxxx x xx x xx xx x x x xx x xxxx (0)^2 = xxxxx | ||||

Intercept(a) = (ΣY x xxxxxxx / x | xxxxxxxxx x xx xxxxxx x0/10 x 3.7 | ||||

xxxxx line | growth xxxxx 3.7 + 0.003 xxxx | ||||

expansionary phase xx observed in xxxx xxx & 8 | |||||

recessionary xxxxx xx seen in year xxx & 5 & x |

# xxxxxx

# Sheet3

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