An outlier is an observation that

(A) |
is seen more frequently than the other observations in the data set |

(B) |
is seen less frequently than the other observations in the data set |

(C) |
is always smaller than the other observations in the data set |

(D) |
is always larger than the other observations in the data set |

(E) |
is significantly different from the other observations in the data set |