1.3 Lesson Quickcheck

Front

What does the dot above .62 represent in a statistical distribution?

Back

One statistics student had a height of .62 African bush elephants.

Front

What percent of students have heights of .6 African bush elephants or less?

Back

12/20 or 60%.

Front

What is the median value of a distribution if the values are .58, .6, .62, .7, .75?

Back

.6.

Front

If a dot at .7 is moved to .62, what happens to the variability of the distribution?

Back

It decreases.

Front

What is the shape of a distribution that has a longer tail on the right side?

Back

Skewed right.

Front

Define 'median' in a statistical context.

Back

The median is the middle value in a data set when arranged in ascending order.

Front

What does a skewed left distribution indicate about the data?

Back

It indicates that the majority of the data points are concentrated on the right side.

Front

How do you calculate the percentage of a subset in a data set?

Back

(Number of subset members / Total number of members) x 100.

Front

What is the significance of the average in a data set?

Back

The average provides a central value that summarizes the data.

Front

What does it mean if a distribution is symmetrical?

Back

It means that the left and right sides of the distribution are mirror images of each other.