Measure of Central Tendency Project

Specifications and Grading Rubric

Part A

  1. State thequestionyou researched or collected data to determine an ______

outcome that would most likely result in a normal distribution.

(2 possible points)

2. Describe the sampling method you used to conduct your survey. Refer ______

to page 290 of your textbook, if needed. (5 possible points)

3. Often surveys have bias in some way. Does your survey contain any ______

possible bias? Refer to the Eight Guidelines for Evaluating a Statistical

Study on page 301 to support your explanation. (5 possible points)

4. Create a frequency table to represent your data. Be sure to include ______

appropriate bins, frequency, relative frequency, & cumulative frequency.

(5 possible points)

5.Use Excel to create a Histogramusing your frequency table. Be sure ______

to include a title, label axes, and a key if necessary.(5 possible points)

6.Describe if your data depicts a normal distribution, if not explain why.______

(4 possible points)

Part B

7. Calculate the three measures of central tendency. Include a list of your ______
actual data collected, ordered from least to greatest. (6 possible points)

8.State which measure of central tendency best represents your data. ______

Explain your reasoning. (4 possible points)

9.If there was an outlier, explain how it affected your data and your ______

choice of topic.

If an outlier did not occur, give an example of an outlier and how it would

affect your data. (4 possible points)

10.Calculate the standard deviation and range rule of thumb.Explain______

what your standard deviation means in relation to your data.

(4 possible points)

Part C

11. Draw a conclusion.______

Usethe largest section of your frequency table to make a generalization

for ALL YCP students. For example, if my frequency table says that 12 out

of 30 students surveyed attend the tutoring center 1-2 times a week, then

I could conclude that “40% of ALL YCP college students attend the

tutoring center 1-2 times per week”. (3 possible points)

12. Find the margin of error and 95% confidence interval for your survey ______

conclusion statement in number 11. (3 possible points)

Use word-processing software (including computer-generated graphics) to present

your final project in a booklet, pamphlet, or trifold format10 possible points ______

Display: color, organization, aesthetically pleasing 5 possible points ______

Total Points: ______out of 65

Extra Credit: Create a Box Plot of your data to include in your project.______

5 possible points

Some Suggested Topics for your Central Tendency Project

1. How many hours of sleep does a YCP student get on a Saturday night?

2. How do YCP students score on an internet IQ test?

3. What did YCP students pay for all their books for the fall semester?

4. What is the average weight for YCP males or females?

5. How do YCP students score on a given trivia test?

6. What is the daily caloric intake of YCP males or females?

7. How much time do YCP students spend studying each week?

8. What is the average weight of a YCP student’s backpack?

9. How many cigarettes do YCP students who smoke, smoke in one week?

10. How long does it take a YCP student to complete a set of multiplication facts? (Computerized Fact Test)

OR

A question of the students’ choice, with approval from the instructor.

Note: A minimum of 50 students must be surveyed for your question.