Tire pressure (in kPa) was measured for the right and left front tires on a sample of 10 automobiles. Assume that the tire pressures follow a bivariate normal distribution.

Right Tire Pressure |
Left Tire Pressure |

184 |
185 |

206 |
203 |

193 |
200 |

227 |
213 |

193 |
196 |

218 |
221 |

213 |
216 |

194 |
198 |

178 |
180 |

207 |
210 |

a. Find a 95% confidence interval for ρ, the population correlation between the pressure in the right tire and the pressure in the left tire.

b. Can you conclude that ρ > 0.9?

c. Can you conclude that ρ > 0?

Leslie Ogu PSYC 2012 02/24/2016 Conformity Conformity ➢ Def: a change in one’s behavior due to the real or imagined influence of others ○ Ex: Social norms we conform to in order to not stand out, break the pattern, and/or because they have become unwritten rules society follows ■ When driving, we all drive...