## Description

**Question 1****11 pts**

Part A: Draw an “ordered” Stem and Leaf Diagram displaying the data below. It will help if you set up some kind of tally chart.

In a large room of people, the age of each person was obtained.

Here are the data: 26, 43, 18, 42, 12, 65, 30, 18, 37, 23, 36, 47, 42, 16, 51,41, 29, 15, 29, 31, 47, 54, 41, 34, 43, 22, 50, 43, 38, 32, 46, 60

Part B: Draw a histogram displaying the ages.

Use the following information when drawing your histogram.

- Place the following intervals on the x-axis: 10-14, 15-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49, 50-54, 55-59, 60-64, 65-69
- Place the following frequencies on the y-axis: 0, 1, 2, 3, 4, 5, 6, 7, 8
- Be sure to add the title: Ages of People in the Room
- Be sure to label your x-axis and y-axis with “People’s Ages” and “Number of People” respectively.

**For problems 2 – 7: **The bar chart below shows the number of students in an incoming freshman class of a local university receiving financial aid and the average income of their families.

**Question 2****2 pts**

Can you find the ** exact** number of freshmen receiving financial aid?

Yes | |

No |

**Question 3****2 pts**

Why or why not?

WRITE 3-4 LINES ANSWER

**Question 4****4 pts**

*Estimate *the number of students receiving financial aid.

** **

** **

** **

** **

** **

** **

**Question 5****2 pts**

What is missing from this graph?

y-axis lables | |

Nothing |

x-axis lables | |

A title |

**Question 6****2 pts**

Describe its shape?

Bimodal | |

Approximately normal |

Skewed left | |

Skewed right |

None of those listed |

**Question 7****2 pts**

** Estimate** the average income of the families receiving financial aid.

**Problems 8-17: **Grades for Accounting 101 quiz. The data below gives the grades on an accounting quiz. The highest grade was a 90 and the lowest, a 20.

Grade | Number of Students Who Received That Grade |

20 | 2 |

50 | 5 |

60 | 7 |

70 | 13 |

80 | 4 |

90 | 1 |

** **

**Question 8****5 pts**

Draw a bar graph for this distribution of grades.

Use the following information when making your graph.

- Place the following intervals on the x-axis: 20, 30, 40, 50, 60, 70, 80, 90.
- Place the following frequencies on the y-axis: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13
- Be sure to add a title
- Be sure to label your x-axis and y-axis

**Question 9****2 pts**

Describe its shape.

Bimodal | |

None of those listed |

Approximately normal | |

Skewed left |

Skewed right |

**Question 10****4 pts**

Find the mean grade. Round to the nearest whole number.

**Question 11****4 pts**

Find the median grade. Round to the nearest whole number.

**Question 12****2 pts**

Which is greater, the mean or the median?

Median | |

Mean |

**Question 13****2 pts**

Explain your answer for question number 12.

**EXPLAIN IN 3-4 LINES**

**Question 14****2 pts**

Find the mode.

**Question 15****2 pts**

Find the range.

**Question 16****3 pts**

Complete the chart on the provided PDF document to find the standard deviation for question number 17. Upload the chart here.

** **

** **

**Question 17****5 pts**

What is the standard deviation of grades for Accounting 101 quiz? **Roundfinal answer to the nearest tenth (1dp). **

**Problems 18-21: **The table below describes the parking rates per day at 32 different parking garages in and around the city of Boston.

Parking Rate | Number of Garages at That Price |

$16 | 3 |

$18 | 6 |

$20 | 9 |

$22 | 5 |

$24 | 4 |

$26 | 3 |

$34 | 2 |

**Question 18****5 pts**

Draw a bar graph for the parking rates per day at 32 different parking garages in and around the city of Boston.

Use the following information when making your graph:

- Place the following intervals on the x-axis: 16, 18, 20, 22, 24, 26, 28, 30, 32, 34
- Place the following frequencies on the y-axis: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9
- Be sure to add a title
- Be sure to label your x-axis and y-axis

**Question 19****4 pts**

Calculate the mean parking rate at these garages.

**Question 20****4 pts**

Calculate the median parking rate at these garages.

**Question 21****4 pts**

What percentage of the parking garages had rates that were less than the mean parking rate?

**Round to the nearest whole percent.**

**Problems 22-29: **The following frequency table of the heights of women on a college soccer team.

Height in Inches | Frequency |

65 | 1 |

66 | 4 |

67 | 6 |

68 | 11 |

69 | 7 |

70 | 0 |

71 | 5 |

72 | 1 |

**Question 22****5 pts**

Draw a bar graph for these data of the heights of women on a college soccer team.

Use the following information when making your graph:

- Place the following intervals on the x-axis: 65, 66, 67, 68, 69, 70, 71, 72
- Place the following frequencies on the y-axis: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11
- Be sure to add a title
- Be sure to label your x-axis and y-axis

**Question 23****2 pts**

Describe its shape.

Skewed left | |

None of those listed |

Skewed right | |

Bimodal |

Approximately normal |

**Question 24****4 pts**

What is the mean? **Round to the nearest whole number. **

**Question 25****4 pts**

What is the median?

**Question 26****2 pts**

What is the mode?

**Question 27****2 pts**

What is the range?

**Question 28****3 pts**

Complete the chart on the provided PDF document to find the standard deviation for question number 29. Upload the chart here.

**Question 29****5 pts**

What is the standard deviation of the heights of women on a college soccer team? **Round final answer to the tenths place (1 dp.)**