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Statisitcs

In:

Submitted By marcoleung1116
Words 396
Pages 2
Economics and Global Studies
21st February 2014

Homework 2

1)
a)
Statistics | X | N | Valid | 20 | | Missing | 0 | Mean | 14.55 | Median | 15.00 | Mode | 15 | Std. Deviation | 3.332 | Variance | 11.103 | Minimum | 8 | Maximum | 21 |

X | | Frequency | Percent | Valid Percent | Cumulative Percent | Valid | 8 | 1 | 5.0 | 5.0 | 5.0 | | 10 | 2 | 10.0 | 10.0 | 15.0 | | 11 | 1 | 5.0 | 5.0 | 20.0 | | 12 | 2 | 10.0 | 10.0 | 30.0 | | 13 | 1 | 5.0 | 5.0 | 35.0 | | 14 | 1 | 5.0 | 5.0 | 40.0 | | 15 | 4 | 20.0 | 20.0 | 60.0 | | 16 | 3 | 15.0 | 15.0 | 75.0 | | 17 | 1 | 5.0 | 5.0 | 80.0 | | 18 | 2 | 10.0 | 10.0 | 90.0 | | 19 | 1 | 5.0 | 5.0 | 95.0 | | 21 | 1 | 5.0 | 5.0 | 100.0 | | Total | 20 | 100.0 | 100.0 | |

b)

c)

d)

e)

f) Descriptives | | G | Statistic | Std. Error | X | A | Mean | 16.20 | 1.562 | | | 95% Confidence Interval for Mean | Lower Bound | 11.86 | | | | | Upper Bound | 20.54 | | | | 5% Trimmed Mean | 16.17 | | | | Median | 16.00 | | | | Variance | 12.200 | | | | Std. Deviation | 3.493 | | | | Minimum | 12 | | | | Maximum | 21 | | | | Range | 9 | | | | Interquartile Range | 7 | | | | Skewness | .310 | .913 | | | Kurtosis | -.644 | 2.000 | | B | Mean | 12.40 | 1.435 | | | 95% Confidence Interval for Mean | Lower Bound | 8.42 | | | | | Upper Bound | 16.38 | | | | 5% Trimmed Mean | 12.44 | | | | Median | 12.00 | | | | Variance | 10.300 | | | | Std. Deviation | 3.209 | | | | Minimum | 8 | | | | Maximum | 16 | | | | Range | 8 | | | | Interquartile Range | 6 | | | | Skewness | -.299 | .913 | | | Kurtosis | -1.021 | 2.000 | | C | Mean | 14.80 | 1.319 | | | 95% Confidence Interval for Mean | Lower Bound | 11.14 | | | | | Upper Bound | 18.46 |

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