Understanding Predictive Analytics and Statistics

Front

In the context of data analysis, what does the term "NaN" stand for?

Back

Not a Number

Front

Which of the following is an example of a predictive statement? Options: The mean score of the class is 85., Sales will increase by 20% next quarter., The standard deviation of the dataset is 5., The mode of the dataset is 10.

Back

Sales will increase by 20% next quarter.

Front

Back

The new strategy has no effect.

Front

Why is it important to present the information in a picture form?

Back

To analyze and interpret figure or large number at a glance.

Front

What is the interquartile range of the following data set: 3, 7, 8, 12, 13, 14, 18, 21?

Back

10

Front

A dataset contains the test scores of a class: 78, 82, 85, 91, 95, 78, 82, 85, 91, 95. What is the mean (average) score?

Back

85.2

Front

Given the following data set: 5, 8, 12, 15, 18, what is the median value?

Back

12

Front

What is data analysis?

Back

The process of organizing, interpreting, and summarizing data

Front

What was the highest score on the math test?

Back

97

Front

If the mean of a data set is 50 and the sum of all data points is 600, how many data points are in the set?

Back

12