CHS AMDM Data Assessment

.Estimation/calculation from the population

• Simulation

• Census

• Sampling

Attempts to understand a cause-and-effect relationship with using a control group by assigning treatment activity for one more group and giving as well as giving a treatment to influence the study.

• Observational Study

• Experimental Study

Determine Sample and Population for following statement

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Mr. Phan will give 5 essay questions on the final exam (the rest will be multiple choices)

• Sample: "some multiple-choice questions"

  Population: "all multiple-choice questions"

• Sample: "all multiple-choice questions"

  Population: "some multiple-choice questions"

• Sample: "5 essay questions".

  Population: " test questions"

• Sample: "5 essay choices".

  Population: "multiple choices"

The population describes:

• The group of people being surveyed
• part of the group being surveyed
• the whole world
• the school

210 college students were randomly assigned to play either a violent or nonviolent video game.  A short time later, the students were presented with the opportunity to trivially harm another person and results comparing the two groups were recorded.
Is this study OBSERVATIONAL or EXPERIMENTAL? 

• Observational
• Experimental

A researcher stood at a school parking lot entrance to see if the color of a car is related to the driver not wearing a seatbelt.

• Observational Study

• Experiment

Find the mode?

• 240

• 245

• 260

• 266

A graphic way to display the median, quartiles, and extremes of a data set on a number line to show the distribution of the data.

• Pie Chart

• Bar Graph

• Histogram

• Box and Whisker Plot

What percentage of the data is between 90 and 140?

• 25 %
• 50%
• 75%
• 100%

What is the distribution pattern of the data?

• Symmetrical

• Skewed

• Uniform