COE Group Activity

What is a sample?

• A small subset of the entire set of individuals or objects that a study is interested in

• The entire set of individuals or objects that a study is interested in

• A group of people living in the same area

What is the mode?

• The most common value in a set of data

• The value that occurs most frequently in a set of data

• The middle value in a set of data

What is stratified random sampling?

• A method of dividing a population into subgroups and then selecting individuals or objects from each subgroup

• A method of selecting individuals or objects from a population based on some predetermined criteria

• A method of selecting individuals or objects from a population that involves selecting every nth member

What is convenience sampling?

• A type of sampling where individuals or objects are selected based on their availability or willingness to participate

• A method of selecting individuals or objects from a population based on some predetermined criteria

• A method of selecting individuals or objects from a population that involves selecting every nth member

What is the formula for calculating the median?

• (highest value + lowest value) / 2

• (sum of values) / (number of values)

• middle value in a sorted list of values

Which measure of central tendency is least affected by outliers?

• Mean

• Median

• Mode

Which measure of central tendency should be used to summarize nominal data?

• Mean

• Median

• Mode

Which measure of central tendency should be used to summarize ordinal data?

• Mean

• Median

• Mode

What is the effect of outliers on the mean and median?

• Outliers have a greater effect on the mean.

• Outliers have a greater effect on the median.

• Outliers have the same effect on the mean and median.

Referring to Pie Chart on the left, how many are enrolled in Second Year Level?

• 42

• 34

• 1,173

• 1,174