Exploring the Statistics Student Packet

What is a measure of central tendency?

• A method to collect data

• A single value representing a dataset

• A type of graph

• A complex formula in calculus

Which of the following is not a measure of central tendency?

• Median

• Mean

• Range

• Mode

In the context of the video, what was the median number of passwords remembered by the survey participants?

• 2.4

• 2.5

• 3.5

• 3.0

In the vehicle speed analysis, what was the calculated mean speed?

• 37.2 mph

• 36.1 mph

• 35.0 mph

• 34.5 mph

Which location provides the most unbiased sample for a TV program popularity survey?

• Grocery store

• Concert hall

• Baseball stadium

• Comedy club

What is an outlier in a dataset?

• The most frequent number

• The middle value

• A value far from other data points

• The average value

Which scenario describes a biased sampling method?

• Surveying random people at a grocery store

• Conducting random phone interviews

• Asking about favorite TV shows at a tech conference

• Interviewing attendees leaving a sports event

Why is median a better measure in the presence of outliers?

• It is easier to calculate

• It is not skewed by extreme values

• It always equals the mean

• It represents the most frequent value

What does the mean represent in a dataset?

• The middle value

• The difference between highest and lowest values

• The most frequent value

• The average of all values

Which of the following best describes why the sample of basketball players might not represent the average height of all high school students?

• Basketball players are generally shorter

• Basketball players are a random sample of students

• Basketball players might be taller on average

• All students are of similar height