The median of a dataset is defined as ___ when the data is arranged in ascending order.

The middle value.

If the data set is 5, 2, 4, 2, 3, 2, 1, 2, 5, 4, 5, what is the mode?

The mode is 2, as it appears four times in the dataset.

Fill in the blank: The range of a dataset is calculated by subtracting the ___ from the highest value.

Lowest value.

Riddle: I can tell you the typical score in a game or the average height in a group. What am I?

I am the mean.

Mean is defined as ___ divided by the ___ of values.

Mean is defined as the sum of all values divided by the number of values.

What is the sum of the heights 138 cm, 140 cm, 136 cm, 141 cm, 142 cm, and 137 cm?

The sum of the heights is 834 cm.

For an even number of data points, how is the median determined?

The median is determined by averaging the two middle values of the arranged data set.

What is the formula to calculate the range of a dataset?

The formula to calculate the range is range = highest value - lowest value.

Fill in the blank: The range indicates the ___ of data in a dataset.

Spread

True or False: A larger range in a dataset indicates less variability among the data points.

False. A larger range indicates more variability among the data points.

For the heights 127 cm, 137 cm, 152 cm, 129 cm, 135 cm, 136 cm, and 141 cm, what is the calculated range?

The range is 152 - 127 = 25 cm.

True or False: The mean is always the best measure of central tendency regardless of data distribution.

False. The mean may not be the best measure if the data is skewed or contains outliers.