Do Now Flashcard #4

Front

What does CCSS.7.SP.B.4 focus on in statistics?

Back

CCSS.7.SP.B.4 focuses on using measures of center (mean, median, mode) to summarize data sets.

Front

Define 'mean' in the context of statistics.

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the count of numbers.

Front

What is the 'median' in a data set?

Back

The median is the middle value in a data set when the numbers are arranged in ascending or descending order.

Front

Explain the term 'mode' in statistics.

Back

The mode is the value that appears most frequently in a data set.

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, sum all the values in the data set and divide by the total number of values.

Front

What is the significance of measures of center in data analysis?

Back

Measures of center provide a summary of the data set, helping to understand its overall trend and central tendency.

Front

What is an example of a real-world application of mean?

Back

An example is calculating the average score of students in a class to assess overall performance.

Front

How can the median be more informative than the mean?

Back

The median can be more informative than the mean in skewed distributions, as it is not affected by extreme values.

Front

What is a situation where mode is useful?

Back

The mode is useful in determining the most common category in categorical data, such as the most popular product sold.

Front

What is the relationship between mean, median, and mode in a normal distribution?

Back

In a normal distribution, the mean, median, and mode are all equal.