5th Period 2024 Fall Exam

Front

What is the correlation between length of running start and distance of jump?

Back

Positive: the further you run the further you jump.

Front

What does IQR stand for in statistics?

Back

Interquartile Range, a measure of statistical dispersion.

Front

How do you determine the IQR of a data set?

Back

IQR = Q3 - Q1, where Q3 is the third quartile and Q1 is the first quartile.

Front

What is the purpose of the 1.5 IQR rule?

Back

To identify outliers in a data set.

Front

What is an outlier?

Back

A data point that is significantly different from other observations.

Front

Given a set of skewed data, which measure of spread is most appropriate?

Back

Interquartile Range (IQR).

Front

How many students are represented by the histogram if the total is 31?

Back

31 students.

Front

What is the definition of a histogram?

Back

A graphical representation of the distribution of numerical data.

Front

What does a positive correlation indicate?

Back

As one variable increases, the other variable also increases.

Front

What is the median in a data set?

Back

The middle value when the data points are arranged in order.