Data Display Ticket Out the Door w/ Hints

Front

What is a sample size?

Back

The sample size is the number of individuals or items surveyed in a study. It is important for determining the reliability of the results.

Front

How do you find the median in a data set?

Back

To find the median, arrange the data in numerical order and identify the middle value. If there is an even number of values, the median is the average of the two middle values.

Front

What does the median represent in a data set?

Back

The median represents the middle value of a data set, dividing it into two equal halves.

Front

What is a dot plot?

Back

A dot plot is a simple statistical chart that consists of dots representing the frequency of data points in a data set.

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the values together and divide by the number of values.

Front

What does it mean if 50% of people paid less than a certain amount?

Back

It means that half of the surveyed population had values below that amount, indicating a central tendency in the data.

Front

What is the significance of the box in a box plot?

Back

The box in a box plot represents the interquartile range, which contains the middle 50% of the data.

Front

How do you interpret a dot plot?

Back

To interpret a dot plot, count the number of dots for each value to understand the distribution and frequency of the data.

Front

What is the importance of rounding in statistics?

Back

Rounding is important in statistics to simplify numbers for easier interpretation and communication, especially when dealing with averages.

Front

What does it mean if a data point is an outlier?

Back

An outlier is a data point that is significantly different from the other values in a data set, which can affect the mean and overall analysis.