FB 14 - Statistical Analysis

Front

What is the first Quartile?

Back

The first Quartile (Q1) is the value that separates the lowest 25% of a data set from the rest. It is the median of the lower half of the data.

Front

What does the interval 15-19 represent in a frequency distribution?

Back

The interval 15-19 represents a range of values where the frequency of occurrences is counted. In this case, it shows the number of pets that fall within this age range.

Front

If 200 people were surveyed about their favorite ice cream and 60 chose Kesar Pista, what percentage of the surveyed people chose Kesar Pista?

Back

30% of the surveyed people chose Kesar Pista (60 out of 200).

Front

What is the least amount of money that a customer paid for a gallon of gas?

Back

The least amount paid for a gallon of gas was $1.82.

Front

How do you determine the mode of a data set?

Back

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

Front

What is a frequency distribution?

Back

A frequency distribution is a summary of how often each value occurs in a data set.

Front

What is the median of a data set?

Back

The median is the middle value when the data set is ordered from least to greatest.

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the smallest value from the largest value in the data set.

Front

What is the purpose of a histogram?

Back

A histogram is used to represent the frequency distribution of numerical data, showing how many data points fall within specified ranges.

Front

What does it mean if a data set is skewed?

Back

A skewed data set is one that is not symmetrical and has a tail on one side, indicating that the data is not evenly distributed.