[SOLVED] Math E-3 Fall 2018 ASSIGNMENT 4

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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.
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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.

 

 

 

 

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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.)