SAEE Data Collection and Analysis 3

Question 1

What is the range of the data set 12, 15, 7, 22, 9?

Accepted Answer

13

Answer

Range equals the maximum minus the minimum, 22 - 9 = 13.

Question 2

Which type of data is 'eye color' an example of?

Accepted Answer

Nominal

Answer

Eye color is nominal because categories have no inherent order.

Question 3

A survey question that suggests a desired answer is called a:

Accepted Answer

Leading question

Answer

A leading question biases respondents toward a particular answer.

Question 4

If a data set's mean is much larger than its median, the distribution is likely:

Accepted Answer

Right-skewed

Answer

A right-skewed distribution has a long upper tail pulling the mean up.

Question 5

Which of these is a measure of dispersion?

Accepted Answer

Standard deviation

Answer

Standard deviation measures how spread out values are around the mean.

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