Description
Question 111 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 22 pts
Can you find the exact number of freshmen receiving financial aid?
Yes | |
No |
Question 32 pts
Why or why not?
WRITE 3-4 LINES ANSWER
Question 44 pts
Estimate the number of students receiving financial aid.
Question 52 pts
What is missing from this graph?
y-axis lables | |
Nothing |
x-axis lables | |
A title |
Question 62 pts
Describe its shape?
Bimodal | |
Approximately normal |
Skewed left | |
Skewed right |
None of those listed |
Question 72 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 85 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 92 pts
Describe its shape.
Bimodal | |
None of those listed |
Approximately normal | |
Skewed left |
Skewed right |
Question 104 pts
Find the mean grade. Round to the nearest whole number.
Question 114 pts
Find the median grade. Round to the nearest whole number.
Question 122 pts
Which is greater, the mean or the median?
Median | |
Mean |
Question 132 pts
Explain your answer for question number 12.
EXPLAIN IN 3-4 LINES
Question 142 pts
Find the mode.
Question 152 pts
Find the range.
Question 163 pts
Complete the chart on the provided PDF document to find the standard deviation for question number 17. Upload the chart here.
Question 175 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 185 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 194 pts
Calculate the mean parking rate at these garages.
Question 204 pts
Calculate the median parking rate at these garages.
Question 214 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 225 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 232 pts
Describe its shape.
Skewed left | |
None of those listed |
Skewed right | |
Bimodal |
Approximately normal |
Question 244 pts
What is the mean? Round to the nearest whole number.
Question 254 pts
What is the median?
Question 262 pts
What is the mode?
Question 272 pts
What is the range?
Question 283 pts
Complete the chart on the provided PDF document to find the standard deviation for question number 29. Upload the chart here.
Question 295 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.)