*Binky through the ages*

Term | Location | Time (min) |
---|---|---|

Summer 13 | Valley Binky | 53 |

Spring 13 | ANR West | 28 |

Fall 12 | Haruki South | 38 |

Summer 12 | Swamp Binky | 30 |

Spring 12 | Leach field | 15 |

Fall 11 | Gym South | 8 |

Summer 11 | Maintenance Binky | 26 |

Spring 11 | Gym South | 45 |

The data are the time values in the third column of table one. The times are the length of time to find either Binky or Dana.

- n= __________ Calculate the sample size n for the time.
- Q0 = __________ Calculate the minimum (zeroth quartile).
- Q1 = __________ Calculate the first quartile.
- Q2 = __________ Calculate the median (second quartile).
- Q3 = __________ Calculate the third quartile.
- Q4 = __________ Calculate the maximum (fourth quartile).
- IQR = __________ Calculate the Inter-Quartile Range.
- Make a sketch of the box plot for the time data.
- mode = __________ Calculate the mode.
- x = __________ Calculate the sample mean x.
- sx = __________ Calculate the sample standard deviation sx.
- CV = __________ Calculate the sample coeficient of variation CV.
- z = __________ Calculate the z-score for 53 minutes.
- ______________ Is the z-score for 53 minutes an ordinary or extraordinary z-score?
- range = __________ Calculate the range.
- width = __________ If the time data is divided into
**five**classes, what is the width of a single class? -
Determine the frequency and calculate the relative frequency for the data.
Record your results in the table provided.

Class upper limits Frequency F Rel. Freq. **Sums:** - Sketch a
**frequency**histogram for the data,

labeling your horizontal axis and vertical axis. - ____________________ What is the shape of the histogram?
- __________ Based on the relative frequency data,

what is the probability of a time less than or equal to 17 minutes?

Table two milliminutes of arc meters 0 0 15 30 32 60 48 90 65 120 82 150 - _________ Calculate the sample size n (the number of data pairs) for the data in table two.
- ______________ Calculate the slope of the linear regression for the table two data.
- ______________ Calculate the y-intercept of the linear regression for the table two data.
- ______________ Is the relation positive, negative, or neutral?
- ______________ Calculate the correlation coefficient r for the data.
- ______________ Is the correlation none, weak/low, moderate, strong/high, or perfect?
- ______________ Calculate the coefficient of determination.
- ______________ What percent in the variation in the height explains the variation in the lap time?
- ______________ Use the slope and intercept to predict the meters for 100 milliminutes (the system does extrapolate).
- ______________ Use the slope and intercept to predict the milliminutes for 1000 meters.