Data

Data
Question 1: Distribution of Data

What are the various methods one can use to identify the shape of data distribution collected for research study? Why it is important to know the shape of distribution? How it can be used in decision making? Provide examples other than those already posted in class.

Question 2: Activity Data Set

Read the Activity Data Set transcript

Review the age and gender data in the data set.

Display gender information in a chart and plot age data in a box plot.

Calculate the appropriate measure of central tendency and variability for the age and gender. What conclusion can you draw from the data?

Question 3: Describing Data
Read the Describing Data Video transcript.

Can mean, median, or mode be calculated from all statistical data? Explain why or why not. When is the mean the best measure of central tendency? When is the median the best measure of central tendency?

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