How to Use MINITAB

Topics: Standard deviation, Arithmetic mean, Mean Pages: 5 (1307 words) Published: June 9, 2012
Statistics – Lab Week 2


Statistical Concepts:
* Graphics
* Shapes of Distributions
* Descriptive Statistics
* Empirical Rule


* MINITAB is a powerful, yet user-friendly, data analysis software package. You can launch MINITAB by finding the icon and double clicking on it. After a moment you will see two windows, the Session Window in the top half of the screen and the Worksheet or Data Window in the bottom half.

* Data have already been formatted and entered into a MINITAB worksheet. Go to the eCollege Doc sharing site to download this data file. The names of each variable from the survey are in the first row of the Worksheet. This row has a background color of gray to identify it as the variable names. All other rows of the MINITAB Worksheet represent a certain students’ answers to the survey questions. Therefore, the rows are called observations and the columns are called variables. Included with this lab, you will find a code sheet that identifies the correspondence between the variable names and the survey questions.

* Complete the answers below and paste the answers from MiniTab below each question. Type your answers to the questions where noted. Therefore, your response to the lab will be this ONE document submitted to the dropbox.

Code Sheet

Variable Name| Question|
Drive| Question 1 – How long does it take you to drive to the school on average (to the nearest minute)? ---15 minutes| State| Question 2 – What state/country were you born? ---California| Temp| Question 3 – What is the temperature outside right now? ---61 degrees| Rank| Question 4 – Rank all of the courses you are currently taking. The class you look most forward to taking will be ranked one, next two, and so on. What is the rank assigned to this class? ---Math 221| Height| Question 5 – What is your height to the nearest inch?---72 inches| Shoe| Question 6 – What is your shoe size?---Size 11|

Sleep| Question 7 – How many hours did you sleep last night?---5 hours| Gender| Question 8 – What is your gender?---Male|
Race| Question 9 – What is your race?---American|
Car| Question 10 – What color of car do you drive?---Black| TV| Question 11 – How long (on average) do you spend a day watching TV?---1 hour| Money| Question 12 – How much money do you have with you right now?---About $5.00| Coin| Question 13 – Flip a coin 10 times. How many times did you get tails?---4 times| Die1 2| Question 14 – Roll a six-sided die 10 times and record the results.| Die2 5| |

Die3 3| |
Die4 3| |
Die5 1| |
Die6 6| |
Die7 2| |
Die8 4| |
Die9 1| |
Die10 4| |

Creating Graphs

1. Create a Pie Chart for the variable Car – Pull up Graph > Pie Chart and click in the categories variables box so that the list of variables will show up on the left. Now double click on the variable name ‘Car” in the box at the left of the window. Include a title by clicking on the “Labels…” button and typing it in the correct text area (put your name in as the title) and click OK. Click OK again to create graph. Click on the graph and use Ctrl+C to copy and come back here, click below this question and use Ctrl+V to paste it in this Word document.


2. Create a histogram for the variable Height – Pull up Graph > Histograms and choose “Simple”. Then set the graph variable to “height”. Include a title by clicking on the “Labels…” button and typing it in the correct text area (put your name in as the title) and click OK. Copy and paste the graph here. |

3. Create a stem and leaf chart for the variable Money – Pull up Graph > Stem-and Leaf and set Variables: to “Money”. Enter 10 for the Increment: and click OK. The leaves of the stem-leaf plot will be the one’s digits of the values in the “Money” variable. Note: the first column of the stem-leaf plot that you create is the count....
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