Item | price/$ |
---|---|

plain omelet | 1.75 |

cheese omelet | 3.75 |

vegetable omelet | 3.75 |

vegetable & cheese omelet | 4.50 |

ham & vegetable omelet | 5.00 |

ham & cheese omelet | 5.00 |

ham, vegetable, & cheese omelet | 5.25 |

tuna omelet | 5.25 |

one pancake | 3.00 |

two pancakes | 5.00 |

scrambled eggs | 1.75 |

sunny side up | 1.75 |

overeasy | 1.75 |

boiled egg | 1.75 |

French toast | 3.25 |

chicken ramen | 6.50 |

The data is from a breakfast menu in a local restaurant obtained on .

- __________ What level of measurement is the data?
- __________ Find the sample size n for the data.
- __________ Find the minimum.
- __________ Find the maximum.
- __________ Find the range.
- __________ Find the midrange.
- __________ Find the median.
- __________ Find the mode.
- __________ Find the sample mean x.
- __________ Find the sample standard deviation sx.
- __________ Find the sample coefficient of variation CV.
- __________ If this data is to be divided into
**five**bins, what is the width of a single bin? - Determine the frequency and calculate the relative frequency using five bins (classes, intervals). Record your results in the table provided.

Bin upper limits | Frequency F | Relative Frequency |
---|---|---|

Sums: |

- Sketch a
**frequency**histogram of the data, labeling your horizontal axis and vertical axis as appropriate. - ____________________ What is the shape of the histogram?
- __________ Find the z-score for the chicken ramen.
- ____________________ Is the z-score for the chicken ramen ordinary or unusual?
- ____________________ Calculate the standard error of the mean SE.
- ____________________ Find the degrees of freedom n − 1.
- ____________________ Calculate t-critical t
_{c}. - ____________________ Find the margin of error for the mean E.
- Calculate the 95% confidence interval for the population mean μ total rainfall.

p(__________ ≤ μ ≤__________) = 0.95