## (Correct Answer) MATH225N Week 2 Assignment : Frequency tables and Histograms

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## Description

**1.Question**

Randomly selected adults at a coffee shop were asked how many hours they work in a typical workday. The results are tabulated in the following frequency table.

Which histogram accurately summarizes the data?

Value | Frequency |

4 | 2 |

5 | 1 |

6 | 4 |

7 | 2 |

8 | 1 |

9 | 4 |

10 | 10 |

Ans:

**2.Question**

A student surveys his class and creates a histogram showing the number of pets in each student’s house. What is the shape of the distribution?

Select the correct answer below:

- uniform
- unimodal and symmetric
- unimodal and left-skewed
- unimodal and right-skewed
- Bimodal

**3.Question**

Given the following histogram for a set of data, how many values in the data set are greater than 5.5 but less than 8.5?

Provide your answer below:

**4.Question**

The students in a first-grade class were all asked to time how long (in seconds) they could hold their breath. The results were tallied and are presented in the following histogram.

How many of those students held their breath greater than 12.5 and less than 15.5 seconds?

Provide your answer below:

**5.Question**

Describe the shape of the given histogram.

Select the correct answer below:

- uniform
- unimodal and symmetric
- unimodal and left-skewed
- unimodal and right-skewed
- bimodal

**6.Question**

Describe the shape of the given histogram.

Select the correct answer below:

- uniform
- unimodal and symmetric
- unimodal and left-skewed
- unimodal and right-skewed
- bimodal

**7.Question**

Randomly selected individuals at a fashion store were asked how many fashion accessories they currently own. The results are displayed in the following frequency table.

Which histogram accurately summarizes the data?

Value | Frequency |

8 | 3 |

9 | 2 |

10 | 4 |

11 | 3 |

12 | 0 |

13 | 4 |

14 | 2 |

15 | 5 |

16 | 10 |

correct answer

**8.Question**

The speed (in mph) of randomly selected bicyclists were measured as they were approaching a hill. The results are presented in the following histogram.

How many of those bicyclists were traveling at least 8.5 and less than 11.5 mph as they were approaching the hill?

**9.Question**

A professor gave students a test, and the distribution of the scores of the students is shown in the histogram below. What shape does the distribution have?

Select the correct answer below:

- unimodal and symmetric
- unimodal and left-skewed
- unimodal and right-skewed
- bimodal

**10.Question**

The histogram below represents the prices of digital SLR camera models at a store. Describe the shape of the distribution.

Select the correct answer below:

- uniform
- unimodal and symmetric
- unimodal and left-skewed
- unimodal and right-skewed
- bimodal

**11.Question**

Several people were asked to report the number of hours of sleep they average per night. The results are shown in the histogram below. How many of those people average greater than 4.5 and less than 6.5 hours of sleep per night?

Answer: ** **

**12.Question**

Given the following histogram for a set of data, how many values in the data set are greater than 10.5 and less than 12.5?

Answer:

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