AMDM Analyzing Numerical Data

What is the median of the data?

• 200

• 100

• 90

• 140

What is the interquartile range?

• 4

• 6

• 2

• 8

Which restaurant has a higher median wait time?

• Lucy's Steakhouse

• Gary's Grill

• They are the same

Which would be the best description of numerical data?

• Categories or groups like car brands or yes/no questions

• finite integer numbers like number of children or SAT scores

• infinite and uncountable numbers like weight that can change by small decimal quantities

• number responses

Isiah collects data from two different companies, each with four employees. The results of the study, based on each worker's age and salary, are listed in the tables above. Which statement is true about these data?

• The median salaries in both companies are greater than $37,000

• The mean salary in company 1 is greater than the mean salary in company 2

• The salary range in company 2 is greater than the salary range in company 1

• The mean age of workers at company 1 is greater than the mean age of workers at company 2

Data that involves numbers including measurement data

• outlier

• numerical data

• categorical data

• discrete data

Every value in the set is a number.

• Categorical Data

• Numerical Data

Data where the values are numbers, measurements or quantities (also called measurement or quantitative data)

• Categorical Data

• Numerical Data

Identify the class with the highest relative frequency.

• 95 - 105

• 105 - 115

• 115 - 125

• 125 - 135

Based on the given data, which class has the highest frequency?

• 21-23

• 24-26

• 30-32

• 33-35